List of 24 characters
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The following is a list of characters in the American serial drama television series 24, 24: Live Another Day, and 24: Legacy by season and event. The list first names the actor, followed by the character. Some characters have their own pages; see the box below.
The show consists of an ensemble cast. A total of 60 actors have been credited as a part of the starring cast, over the course of eight seasons, one television film, one miniseries, and one spin-off series, international remakes notwithstanding.
Overview
Main cast
- = Main cast (credited)
 - = Recurring cast (4+)
 - = Guest cast (1-3)
 
Recurring and guest cast
The following recurring guest stars appeared in at least five episodes or were distinguished in the guest star credits.
- Key: = Recurring
 - Key: = Special Guest
 
| Actor/actress | Character | Appearances | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | S2 | S3 | S4 | S5 | S6 | R | S7 | S8 | LAD | Total | ||
| Tanya Wright | Patty Brooks | 9 | - | - | - | - | - | - | - | - | - | 9 | 
| Karina Arroyave | Jamey Farrell | 10 | - | - | - | - | - | - | - | - | - | 10 | 
| Jacqui Maxwell | Janet York | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Matthew Carey | Dan Mounts | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Daniel Bess | Rick Allen | 18 | - | - | - | - | - | - | - | - | - | 18 | 
| Mia Kirshner | Mandy | 3 | 1 | - | 3 | - | - | - | - | - | - | 7 | 
| Richard Burgi | Kevin Carroll | 11 | - | - | - | - | - | - | - | - | - | 11 | 
| Michael Massee | Ira Gaines | 12 | - | - | - | - | - | - | - | - | - | 12 | 
| Vicellous Shannon | Keith Palmer | 12 | 1 | - | - | - | - | - | - | - | - | 13 | 
| Megalyn Echikunwoke | Nicole Palmer | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Glenn Morshower | Aaron Pierce | 9 | 3 | 9 | 2 | 15 | 1 | - | 10 | - | - | 49 | 
| Zach Grenier | Carl Webb | 9 | - | - | - | - | - | - | - | - | - | 9 | 
| Jude Ciccolella | Mike Novick | 11 | 18 | - | 8 | 21 | - | - | - | - | - | 58 | 
| Silas Weir Mitchell | Eli Stram | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Željko Ivanek | Andre Drazen | 15 | - | - | - | - | - | - | - | - | - | 15 | 
| Tamara Tunie | Alberta Green | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Misha Collins | Alexis Drazen | 7 | - | - | - | - | - | - | - | - | - | 7 | 
| Navi Rawat | Melanie | 6 | - | - | - | - | - | - | - | - | - | 6 | 
| Lou Diamond Phillips | Mark DeSalvo | 2 | - | - | - | - | - | - | - | - | - | 2 | 
| Dennis Hopper | Victor Drazen | 5 | - | - | - | - | - | - | - | - | - | 5 | 
| Skye McCole Bartusiak | Megan Matheson | - | 8 | - | - | - | - | - | - | - | - | 8 | 
| Billy Burke | Gary Matheson | - | 7 | - | - | - | - | - | - | - | - | 7 | 
| Tamlyn Tomita | Jenny Dodge | - | 5 | - | - | - | - | - | - | - | - | 5 | 
| Michelle Forbes | Lynne Kresge | - | 18 | - | - | - | - | - | - | - | - | 18 | 
| Laura Harris | Marie Warner | - | 14 | - | - | - | - | - | - | - | - | 14 | 
| Phillip Rhys | Reza Naiyeer | - | 9 | - | - | - | - | - | - | - | - | 9 | 
| John Terry | Bob Warner | - | 12 | - | - | - | - | - | - | - | - | 12 | 
| Marc Casabani | Omar | - | 6 | - | - | - | - | - | - | - | - | 6 | 
| John Eddins | Richards | - | 5 | - | - | - | - | - | - | - | - | 5 | 
| Innis Casey | Miguel | - | 7 | - | - | - | - | - | - | - | - | 7 | 
| Harris Yulin | Roger Stanton | - | 9 | - | - | - | - | - | - | - | - | 9 | 
| Francesco Quinn | Syed Ali | - | 5 | - | - | - | - | - | - | - | - | 5 | 
| Daniel Dae Kim | Tom Baker | - | 8 | 3 | - | - | - | - | - | - | - | 11 | 
| Randle Mell | Brad Hammond | - | 2 | 3 | - | - | - | - | - | - | - | 5 | 
| Lourdes Benedicto | Carrie Turner | - | 10 | - | - | - | - | - | - | - | - | 10 | 
| Donnie Keshawarz | Yusuf Auda | - | 6 | - | - | - | - | - | - | - | - | 6 | 
| Alan Dale | James Prescott | - | 7 | 1 | - | - | - | - | - | - | - | 8 | 
| Geoff Pierson | John Keeler | - | - | 6 | 13 | - | - | - | - | - | - | 19 | 
| Joaquim de Almeida | Ramon Salazar | - | - | 12 | - | - | - | - | - | - | - | 12 | 
| Christina Chang | Sunny Macer | - | - | 6 | - | - | - | - | 5 | - | - | 11 | 
| Zachary Quinto | Adam Kaufman | - | - | 23 | - | - | - | - | - | - | - | 23 | 
| Vincent Laresca | Hector Salazar | - | - | 12 | - | - | - | - | - | - | - | 12 | 
| Vanessa Ferlito | Claudia Hernandez | - | - | 11 | - | - | - | - | - | - | - | 11 | 
| Jesse Borrego | Gael Ortega | - | - | 14 | - | - | - | - | - | - | - | 14 | 
| Riley Smith | Kyle Singer | - | - | 6 | - | - | - | - | - | - | - | 6 | 
| Wendy Crewson | Anne Packard | - | - | 8 | - | - | - | - | - | - | - | 8 | 
| Agnes Bruckner | Linda | - | - | 5 | - | - | - | - | - | - | - | 5 | 
| Andrea Thompson | Nicole Duncan | - | - | 5 | - | - | - | - | - | - | - | 5 | 
| Jamie McShane | Gerry Whitehorn | - | - | 6 | - | - | - | - | - | - | - | 6 | 
| Greg Ellis | Michael Amador | - | - | 9 | - | - | - | - | - | - | - | 9 | 
| Gina Torres | Julia Milliken | - | - | 7 | - | - | - | - | - | - | - | 7 | 
| Lothaire Bluteau | Marcus Alvers | - | - | 5 | - | - | - | - | - | - | - | 5 | 
| Butch Klein | Eric Richards | - | - | 5 | - | - | - | - | - | - | - | 5 | 
| Paul Blackthorne | Stephen Saunders | - | - | 10 | - | - | - | - | - | - | - | 10 | 
| Tony Todd | Norris / Benjamin Juma | - | - | 1 | - | - | - | 1 | 3 | - | - | 5 | 
| Alexandra Lydon | Jane Saunders | - | - | 5 | - | - | - | - | - | - | - | 5 | 
| Nestor Serrano | Navi Araz | - | - | - | 10 | - | - | - | - | - | - | 10 | 
| Shohreh Aghdashloo | Dina Araz | - | - | - | 12 | - | - | - | - | - | - | 12 | 
| Jonathan Ahdout | Behrooz Araz | - | - | - | 12 | - | - | - | - | - | - | 12 | 
| Logan Marshall-Green | Richard Heller | - | - | - | 6 | - | - | - | - | - | - | 6 | 
| Anil Kumar | Kalil Hasan | - | - | - | 5 | - | - | - | - | - | - | 5 | 
| James Frain | Paul Raines | - | - | - | 10 | - | - | - | - | - | - | 10 | 
| Tony Plana | Omar | - | - | - | 5 | - | - | - | - | - | - | 5 | 
| Leighton Meester | Debbie Pendleton | - | - | - | 5 | - | - | - | - | - | - | 5 | 
| Aisha Tyler | Marianne Taylor | - | - | - | 8 | - | - | - | - | - | - | 8 | 
| Angela Goethals | Maya Driscoll | - | - | - | 5 | - | - | - | - | - | - | 5 | 
| Robertson Dean | Henry Powell | - | - | - | 6 | - | - | - | - | - | - | 6 | 
| Arnold Vosloo | Habib Marwan | - | - | - | 17 | - | - | - | - | - | - | 17 | 
| Thomas Vincent Kelly | Marc Besson | - | - | - | 5 | 3 | - | - | - | - | - | 8 | 
| Navid Negahban | Abdullah / Jamot | - | - | - | 1 | - | - | - | - | 8 | - | 9 | 
| John Allen Nelson | Walt Cummings | - | - | - | 4 | 7 | - | - | - | - | - | 11 | 
| Tzi Ma | Cheng Zhi | - | - | - | 2 | 1 | 9 | - | - | - | 3 | 15 | 
| Jonah Lotan | Spenser Wolff | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Connie Britton | Diane Huxley | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Brady Corbet | Derek Huxley | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Sandrine Holt | Evelyn Martin | - | - | - | - | 10 | - | - | - | - | - | 10 | 
| Geraint Wyn Davies | James Nathanson | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Nick Jameson | Yuri Suvarov | - | - | - | - | 6 | 6 | - | - | 3 | - | 15 | 
| Kathleen Gati | Anya Suvarov | - | - | - | - | 5 | 1 | - | - | - | - | 6 | 
| Mark Sheppard | Ivan Erwich | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Robert Maffia | Andrei | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Sean Astin | Lynn McGill | - | - | - | - | 10 | - | - | - | - | - | 10 | 
| Julian Sands | Vladimir Bierko | - | - | - | - | 11 | - | - | - | - | - | 11 | 
| Peter Weller | Christopher Henderson | - | - | - | - | 11 | - | - | - | - | - | 11 | 
| Ray Wise | Hal Gardner | - | - | - | - | 6 | - | - | - | - | - | 6 | 
| Kate Mara | Shari Rothenberg | - | - | - | - | 5 | - | - | - | - | - | 5 | 
| Paul McCrane | Graem Bauer | - | - | - | - | 5 | 3 | - | - | - | - | 8 | 
| Stephen Spinella | Miles Papazian | - | - | - | - | 10 | - | - | - | - | - | 10 | 
| Adoni Maropis | Abu Fayed | - | - | - | - | - | 15 | - | - | - | - | 15 | 
| Alexander Siddig | Hamri Al-Assad | - | - | - | - | - | 7 | - | - | - | - | 7 | 
| Harry Lennix | Walid Al-Rezani | - | - | - | - | - | 6 | - | - | - | - | 6 | 
| Ryan Cutrona | John Smith | - | - | - | - | - | 5 | - | 6 | 1 | - | 11 | 
| Rena Sofer | Marilyn Bauer | - | - | - | - | - | 12 | - | - | - | - | 12 | 
| Evan Ellingson | Josh Bauer | - | - | - | - | - | 10 | - | - | - | - | 10 | 
| Chad Lowe | Reed Pollock | - | - | - | - | - | 8 | - | - | - | - | 8 | 
| James Cromwell | Phillip Bauer | - | - | - | - | - | 8 | - | - | - | - | 8 | 
| Powers Boothe | Noah Daniels | - | - | - | - | - | 14 | 1 | - | - | - | 15 | 
| Lex Cassar | Ryan | - | - | - | - | - | 11 | - | - | - | - | 11 | 
| Rade Serbedzija | Dmitri Gredenko | - | - | - | - | - | 8 | - | - | - | - | 8 | 
| Dylan Kenin | Victor | - | - | - | - | - | 5 | - | - | - | - | 5 | 
| Kari Matchett | Lisa Miller | - | - | - | - | - | 10 | - | - | - | - | 10 | 
| Ricky Schroder | Mike Doyle | - | - | - | - | - | 12 | - | - | - | - | 12 | 
| Hakeem Kae-Kazim | Ike Dubaku | - | - | - | - | - | - | 1 | 9 | - | - | 10 | 
| Robert Carlyle | Carl Benton | - | - | - | - | - | - | 1 | - | - | - | 1 | 
| Jon Voight | Jonas Hodges | - | - | - | - | - | - | 1 | 10 | - | - | 11 | 
| Mark Aiken | Nichols | - | - | - | - | - | - | 1 | 5 | - | - | 6 | 
| Isaach de Bankolé | Ule Matobo | - | - | - | - | - | - | 1 | 6 | - | - | 7 | 
| Carly Pope | Samantha Roth | - | - | - | - | - | - | 1 | 6 | - | - | 7 | 
| Mark Kiely | Edward Vossler | - | - | - | - | - | - | 1 | 4 | - | - | 5 | 
| Kurtwood Smith | Blaine Mayer | - | - | - | - | - | - | - | 7 | - | - | 7 | 
| Warren Kole | Brian Gedge | - | - | - | - | - | - | - | 7 | - | - | 7 | 
| Frank John Hughes | Tim Woods | - | - | - | - | - | - | - | 17 | 8 | - | 25 | 
| Lesley Fera | Angela Nelson | - | - | - | - | - | - | - | 4 | 2 | - | 6 | 
| Peter Wingfield | David Emerson | - | - | - | - | - | - | - | 5 | - | - | 5 | 
| Ever Carradine | Erika | - | - | - | - | - | - | - | 5 | - | - | 5 | 
| Sprague Grayden | Olivia Taylor | - | - | - | - | - | - | - | 14 | - | - | 14 | 
| Rory Cochrane | Greg Seaton | - | - | - | - | - | - | - | 7 | - | - | 7 | 
| Amy Price-Francis | Cara Bowden | - | - | - | - | - | - | - | 6 | - | - | 6 | 
| Will Patton | Alan Wilson | - | - | - | - | - | - | - | 5 | - | - | 5 | 
| Akbar Kurtha | Farhad Hassan | - | - | - | - | - | - | - | - | 8 | - | 8 | 
| Jennifer Westfeldt | Meredith Reed | - | - | - | - | - | - | - | - | 6 | - | 6 | 
| Necar Zadegan | Dalia Hassan | - | - | - | - | - | - | - | - | 20 | - | 20 | 
| Nazneen Contractor | Kayla Hassan | - | - | - | - | - | - | - | - | 21 | - | 21 | 
| Clayne Crawford | Kevin Wade | - | - | - | - | - | - | - | - | 9 | - | 9 | 
| TJ Ramini | Tarin Faroush | - | - | - | - | - | - | - | - | 11 | - | 11 | 
| Jürgen Prochnow | Sergei Bazhaev | - | - | - | - | - | - | - | - | 7 | - | 7 | 
| David Anders | Josef Bazhaev | - | - | - | - | - | - | - | - | 6 | - | 6 | 
| Michael Filipowich | Nick Coughlin | - | - | - | - | - | - | - | - | 6 | - | 6 | 
| Callum Keith Rennie | Vladimir Laitanan | - | - | - | - | - | - | - | - | 3 | - | 3 | 
| Hrach Titizian | Nabeel | - | - | - | - | - | - | - | - | 6 | - | 6 | 
| Mido Hamada | Samir Mehran | - | - | - | - | - | - | - | - | 10 | - | 10 | 
| Julian Morris | Owen | - | - | - | - | - | - | - | - | 6 | - | 6 | 
| Rami Malek | Marcos Al-Zacar | - | - | - | - | - | - | - | - | 3 | - | 3 | 
| Mare Winningham | Elaine Al-Zacar | - | - | - | - | - | - | - | - | 2 | - | 2 | 
| Sarah Hollis | Susan | - | - | - | - | - | - | - | - | 10 | - | 10 | 
| Graham McTavish | Mikhail Novakovich | - | - | - | - | - | - | - | - | 7 | - | 7 | 
| Reed Diamond | Jason Pillar | - | - | - | - | - | - | - | - | 8 | - | 8 | 
| Michael Madsen | Jim Ricker | - | - | - | - | - | - | - | - | 4 | - | 4 | 
| Julie Claire | Eden Linley | - | - | - | - | - | - | - | - | 5 | - | 5 | 
| Eriq La Salle | UN Secretary General | - | - | - | - | - | - | - | - | 2 | - | 2 | 
| Christina Chong | Mariana | - | - | - | - | - | - | - | - | - | 5 | 5 | 
| Colin Salmon | Coburn | - | - | - | - | - | - | - | - | - | 7 | 7 | 
| Ross McCall | Ron Clark | - | - | - | - | - | - | - | - | - | 9 | 9 | 
| Branko Tomović | Belcheck | - | - | - | - | - | - | - | - | - | 9 | 9 | 
| James Allenby-Kirk | Stosh | - | - | - | - | - | - | - | - | - | 7 | 7 | 
| Mandeep Dhillon | Chell | - | - | - | - | - | - | - | - | - | 7 | 7 | 
| Charles Furness | Pete | - | - | - | - | - | - | - | - | - | 6 | 6 | 
| Emily Berrington | Simone Al-Harazi | - | - | - | - | - | - | - | - | - | 7 | 7 | 
| Michelle Fairley | Margot Al-Harazi | - | - | - | - | - | - | - | - | - | 8 | 8 | 
| Stephen Fry | Alastair Davies | - | - | - | - | - | - | - | - | - | 8 | 8 | 
| Liam Garrigan | Ian Al-Harazi | - | - | - | - | - | - | - | - | - | 7 | 7 | 
| Miranda Raison | Caroline Fowlds | - | - | - | - | - | - | - | - | - | 6 | 6 | 
| Stanley Townsend | Anatol Stolnavich | - | - | - | - | - | - | - | - | - | 5 | 5 | 
| Adam Sinclair | Gavin Leonard | - | - | - | - | - | - | - | - | - | 6 | 6 | 
The Bauers
- Kiefer Sutherland – Jack Bauer[1]
 - Leslie Hope – Teri Bauer[2]
 - Elisha Cuthbert – Kim Bauer[3]
 
CTU / Division
- Sarah Clarke – Nina Myers[4]
 - Carlos Bernard – Tony Almeida[5]
 - Karina Arroyave – Jamey Farrell[6]
 - Eric Balfour – Milo Pressman[7]
 - Michael O'Neill – Richard Walsh[8]
 - Scott Denny – Scott Baylor[9]
 - Xander Berkeley – George Mason[10]
 - Tamara Tunie – Alberta Green
 - Paul Schulze – Ryan Chappelle[11]
 - Kevin Ramsey – Ted Paulson
 - Kirk Baltz – Teddy Hanlin
 - Sam Ayers – Jeff Breeher
 
Palmer's family and staff
- Dennis Haysbert – David Palmer[12]
 - Penny Johnson Jerald – Sherry Palmer[13]
 - Megalyn Echikunwoke – Nicole Palmer[14]
 - Vicellous Reon Shannon – Keith Palmer
 - Jude Ciccolella – Mike Novick[15]
 - Tanya Wright – Patty Brooks
 - Kara Zediker – Elizabeth Nash
 - Zach Grenier – Carl Webb
 - Glenn Morshower – Aaron Pierce[16]
 - Greg Hartigan – Secret Service Agent Berkin
 - Jesse D. Goins – Secret Service Agent Alan Hayes
 - Michael Bryan French – Secret Service Agent Frank Simes
 
Other associates of Palmer
- Devika Parikh – Maureen Kingsley
 - John Prosky – George Ferragamo
 - Ivar Brogger – Frank Ames
 
First assassination plot
- Michael Massee – Ira Gaines[17]
 - Daniel Bess – Rick Allen
 - Matthew Carey – Dan Mounts
 - Richard Burgi – Kevin Carroll
 - Rudolf Martin – Jonathan Matijevich
 - Mia Kirshner – Mandy[18]
 - Silas Weir Mitchell – Eli Stram
 - John Hawkes – Greg Penticoff
 - Kim Murphy – Bridgit
 - Al Leong – Neill Choi
 - Jesse Corti – Charles McLemore
 
Drazen's family and associates
- Dennis Hopper – Victor Drazen
 - Željko Ivanek – Andre Drazen
 - Misha Collins – Alexis Drazen
 - Henri Lubatti – Jovan Myovic
 - Currie Graham – Ted Cofell
 
Rick's friends outside the plot
- Edoardo Ballerini – Frank Allard
 - Navi Rawat – Melanie
 
Miscellaneous
- Wade Andrew Williams – Robert Ellis
 - Jacqui Maxwell – Janet York
 - Lou Diamond Phillips – Mark DeSalvo
 - Kathleen Wilhoite – Lauren Proctor
 - Pauley Perrette – Tanya
 - Jason Matthew Smith – Chris
 - Rudolf Martin – Martin Belkin
 - Keram Malicki-Sánchez – Larry Rogow
 - John Cothran Jr. – Sgt. Kiley
 - David Barrera – Officer Phillips
 - Tony Perez – Srgt. Douglas Newman
 - Kim Miyori – Dr. Susan Y. Collier
 - Judith Scott – Dr. Rose M. Kent
 
CTU / Division
- Kiefer Sutherland – Jack Bauer[1]
 - Xander Berkeley – George Mason[10]
 - Carlos Bernard – Tony Almeida[5]
 - Reiko Aylesworth – Michelle Dessler[19]
 - Paul Schulze – Ryan Chappelle[11]
 - Randle Mell – Brad Hammond (CTU Division Supervisor)
 - Sara Gilbert – Paula Schaeffer
 - Lourdes Benedicto – Carrie Turner
 - Donnie Keshawarz – Yusuf Auda
 - Daniel Dae Kim – Tom Baker
 - John Eddins – Agent Richards
 - Donzaleigh Abernathy – Barbara Maccabee
 - Michael Cudlitz – Rick Phillips
 
Palmer's family and administration
- Dennis Haysbert – President David Palmer[12]
 - Penny Johnson Jerald – Sherry Palmer[13]
 - Vicellous Reon Shannon – Keith Palmer
 - Jude Ciccolella – Mike Novick[15]
 - Glenn Morshower – Aaron Pierce[16]
 - Timothy Carhart – Eric Rayburn
 - Harris Yulin – Roger Stanton
 - Michelle Forbes – Lynne Kresge
 - Alan Dale – Vice President James Prescott
 - Steven Culp – Ted Simmons
 - John Rubinstein – Alex (Secretary of State)
 - Robert Pine – Secretary of Agriculture
 - Dean Norris – General Bowden
 - Terry Bozeman – Richard Armus
 - Tamlyn Tomita – Jenny Dodge (Press Secretary)
 - Richard Holden – General Stone
 - Greg Hartigan – Secret Service Agent Berkin
 
Kim's story
- Elisha Cuthbert – Kim Bauer
 - Billy Burke – Gary Matheson
 - Tracy Middendorf – Carla Matheson
 - Skye McCole Bartusiak – Megan Matheson
 - Kevin Dillon – Lonnie McRae
 - Innis Casey – Miguel
 - Michael McGrady – Officer Raymond Brown
 - Miguel Perez – Ranger Mike Kramer
 - Victor Rivers – Officer Amis
 - Jamison Jones – Deputy Nirman
 - Sterling Macer Jr. – Deputy Raynes
 - Susan Gibney – Anna
 - Lombardo Boyar – Ramon Garcia
 - Brent Sexton – Frank Davies
 
Foreign diplomats
- Alexander Zale – Ambassador Shareef
 - Christopher Maher – Deputy Prime Minister Barghouti
 - Nicholas Guilak – Farhad Salim
 
The Warners and the Naiyeers
- John Terry – Bob Warner
 - Sarah Wynter – Kate Warner
 - Laura Harris – Marie Warner
 - Phillip Rhys – Reza Naiyeer
 - Yareli Arizmendi – Karima Naiyeer
 - Shaun Duke – Hasan Naiyeer
 
Traitors involved in terrorist plot
- Sarah Clarke – Nina Myers[4]
 - Gregg Henry – Jonathan Wallace
 
Wald's crew
- Jon Gries – Joseph Wald
 - Douglas O'Keeffe – Eddie Grant
 - Gregory Sporleder – Dave
 - Jimmi Simpson – Chris
 
Ali's family and Second Wave
- Francesco Quinn – Syed Ali
 - Anthony Azizi – Mamud Rasheed Faheen
 - Shaheen Vaaz – Syed Ali's wife
 - Ike Bram – Fareed Ali
 - Raja Jean Fenske – Asad Ali
 - Aki Avni – Mohsen
 - Maz Jobrani – Marko Khatami
 - Marc Casabani – Omar
 - Fred Toma – Basheer
 
Peter Kingsley Group
- Tobin Bell – Peter Kingsley
 - Thomas Kretschmann – Max
 - Eugene Robert Glazer – Alexander Trepkos
 - Mia Kirshner – Mandy[18]
 - Nina Landey – Eve
 - Rick D. Wasserman – Alex Hewitt
 - Peter Outerbridge – Ronnie Stark
 - Brian Goodman – Raymond O'Hara
 - Jeff Wincott – Davis
 - Mark Ivanir – Trask
 
Miscellaneous federal agents, police, and medical personnel
- Scott Allan Campbell – Dr. Porter (Field medic at warehouse, diagnoses George Mason)
 - Sal Landi – Sgt. Arroyo (LAPD officer at warehouse)
 - Christopher Murray – FBI Agent Dockerty (Agent at airfield)
 
Miscellaneous characters
- Antonio David Lyons – Cam Strocker (Telephone Repairman taken hostage)
 - Peter Gregory – Dr. Spire (Doctor at medical center)
 - Bernard White – Al-Fulani (Imam)
 - Justin Louis – Danny Dessler (Michelle Dessler's brother)
 - Jeff Wincott – Davis (kidnaps and tortures Jack)
 - Eric Christian Olsen – John Mason (George Mason's son)
 - Jim Abele – Ralph Burton (Private Investigator who helps Kate Warner)
 - Al Sapienza – Paul Koplin (Ralph Burton's boss)
 - Michael Holden – Ron Wieland (Journalist; Held by the President)
 - Michael Mantell – Steve Hillenburg (CIA Operative who aides Sherry Palmer)
 - Michael James Reed – Foreman (Foreman for a construction crew that Marie Warner talks to)
 - Nick Offerman – Marcus (Captures Kate Warner and assaulted Yusuf Auda)
 - Raymond Cruz – Rouse (Captures Kate Warner and assaulted Yusuf Auda)
 - Maurice Compte – Cole (Captures Kate Warner and assaulted Yusuf Auda)
 - Carmen Argenziano – General Gratz
 
CTU / Division
- Kiefer Sutherland – Jack Bauer[1]
 - Elisha Cuthbert – Kim Bauer[3]
 - Carlos Bernard – Tony Almeida[5]
 - Reiko Aylesworth – Michelle Dessler[19]
 - James Badge Dale – Chase Edmunds
 - Jesse Borrego – Gael Ortega
 - Mary Lynn Rajskub – Chloe O'Brian[20]
 - Zachary Quinto – Adam Kaufman
 - Paul Schulze – Ryan Chappelle[11]
 - Randle Mell – Brad Hammond
 - Daniel Dae Kim – Tom Baker
 - Butch Klein – Darren Richards
 - Jenette Goldstein – Rae Plachecki
 - Carrie Kim – Jade Paik
 - David Herman – Dalton Furrelle
 - Ed Wasser – Jason Carasone
 - Tony Wayne – Robin Powers
 - Neal Matarazzo – D.J. Graves
 
Palmer's family and administration and associates
- Dennis Haysbert – David Palmer[12] (President of the United States)
 - Penny Johnson Jerald – Sherry Palmer[13](David's ex-wife)
 - Glenn Morshower – Aaron Pierce[16] (The head of Palmer's Secret Service detail)
 - D. B. Woodside – Wayne Palmer[21](David Palmer's Brother; Chief of Staff)
 - Wendy Crewson – Anne Packard (Palmer's personal doctor; Palmer's girlfriend)
 - Jamie McShane – Gerry Whitehorn (Palmer's press chief)
 - Albert Hall – Alan Milliken (Major contributor to Palmer's campaign/Ally of his presidency)
 - Gina Torres – Julia Milliken (Wife of Alan Milliken)
 - Alan Dale – Jim Prescott (Vice President of the United States)
 - Conor O'Farrell – Ted Packard (Anne's ex-husband)
 - Michael Cavanaugh – Joseph O'Laughlin (Secretary of Homeland Security)
 - Greg Hartigan – Secret Service Agent Berkin
 - Richard Holden – General Stone
 
Saunders' family and crew
- Paul Blackthorne – Stephen Saunders (Former soldier and MI6 agent; turned into terrorist; main villain)
 - Greg Ellis – Michael Amador (Seller of biological weapon)
 - Lothaire Bluteau – Marcus Alvers (arms dealer; sold the Cordilla Virus; assumed to have a past with Nina Myers)
 - Salvator Xuereb – Arthur Rabens (one of Stephen Saunders' couriers, has biological weapon in L.A.)
 - Alexandra Lydon – Jane Saunders (Daughter of Stephen Saunders)
 - Joe D'Angerio – Osterlind (Saunders' assistant)
 - Gabrielle Fitzpatrick – Diana White (lover of Steven Saunders; help fund Saunders' operation)
 
Salazar family and associates
- Joaquim de Almeida – Ramon Salazar (Narco-terrorist; Head of the Salazar family)
 - Vincent Laresca – Hector Salazar (Ramon's brother; Head of family in Ramon's absence)
 - Vanessa Ferlito – Claudia Hernandez (Girlfriend of Hector)
 - Josh Cruz – Oriol (Claudia's father)
 - Julian Rodriguez – Sergio (Claudia's brother)
 - Lorry Goldman – Douglas Shaye (Ramon's lawyer)
 - Gino Montesinos – Eduardo (Henchman)
 - Eduardo Garcia – Emilio (Henchman)
 - Gonzalo Menendez – Pablo (Henchman)
 - David Labiosa – David Gomez (Henchman)
 
Singer family and associates
- Riley Smith – Kyle Singer (First time "drug dealer")
 - Ted Marcoux – Sam Singer (Kyle's unemployed father)
 - Lucinda Jenney – Helen Singer (Kyle's mother)
 - Agnes Bruckner – Linda (Kyle's girlfriend)
 - Kett Turton – Tim (Kyle's best friend)
 
National Health Services
- Andrea Thompson – Dr. Nicole Duncan
 - Christina Chang – Dr. Sunny Macer
 
Miscellaneous police / Federal employees / Medical
- Paul Vincent O’Connor – Police Chief Hendrix
 - Tony Todd – Detective Michael Norris (interrogates Julia Milliken)
 - Simon Templeman – Trevor Tomlinson (Agent in MI6 office in LA; killed in gunship attack)
 - Maria del Mar – Rachel Forrester
 - Kevin Chapman – Kevin Mitchell
 
Chandler Plaza Hotel staff and guests
- Doug Savant – Craig Phillips (Head of Hotel security)
 - Paris Tanaka – Maya
 - Sue Jin Song – Annalie Kim
 - Scott Klace – Danny
 - Brigid Brannagh – Kathy McCartney
 
Miscellaneous characters
- Sarah Wynter – Kate Warner (Ex-girlfriend of Jack Bauer)
 - Sarah Clarke – Nina Myers[4] (Terrorist; Former CTU agent)
 - Geoff Pierson – John Keeler (Republican Presidential Candidate)
 - Mark Rolston – Bruce Foxton (professional evidence retriever)
 - Carlos Gómez – Luis Annicon (Prison Supervisor; one of Jack's companions in the one year operation that brought down Ramon Salazar)
 - Kamala Lopez-Dawson – Theresa Ortega (Gael's wife)
 - JF Pryor – Zack Porter (Drug-dealer)
 - Jack Kehler – Kevin Kelly
 - Matt Salinger – Mark Kanar
 - Rick Garcia – Rick Garcia
 - Patrick Fabian – William Cole
 - Jenni Blong – Susan Cole
 
Department of Defense / Heller's family
- Kiefer Sutherland – Jack Bauer[1] (Special Assistant to the Secretary of Defense)
 - William Devane – James Heller[22](United States Secretary of Defense)
 - Logan Marshall-Green – Richard Heller (James Heller's son)
 - Kim Raver – Audrey Raines[23](James Heller's daughter; Jack Bauer's girlfriend; Senior Policy Assistant to Heller)
 - James Frain – Paul Raines (Audrey's estranged husband)
 - David Newsom – Scott Borman (Heller's aide)
 
CTU / Division
- Carlos Bernard – Tony Almeida
 - Reiko Aylesworth – Michelle Dessler
 - Alberta Watson – Erin Driscoll
 - Mary Lynn Rajskub – Chloe O'Brian[20]
 - James Morrison – Bill Buchanan[24]
 - Roger Cross – Curtis Manning[25]
 - Lana Parrilla – Sarah Gavin
 - Louis Lombardi – Edgar Stiles[26]
 - Aisha Tyler – Marianne Taylor
 - Robert Cicchini – Howard Bern
 - Cameron Bancroft – Lee Castle
 - Shawn Doyle – Ronnie Lobell
 - Thomas Vincent Kelly – Marc Besson
 - Butch Klein – Eric Richards
 - Naomi Kirkpatrick – Meredith Atterson
 - Brandon Barash – Brandon
 - Shannon Becker – Allison Nichols
 - Michael Bofshever – Dr. Mark Kaylis
 - Gwendoline Yeo – Melissa Raab
 - Alicia Coppola – Azara Nasir
 
Terrorist group
- Arnold Vosloo – Habib Marwan
 - Nestor Serrano – Navi Araz
 - Shohreh Aghdashloo – Dina Araz
 - Jonathan Ahdout – Behrooz Araz
 - Ned Vaughn – Mitch Anderson
 - Tony Plana – Omar
 - Mia Kirshner – Mandy[18]
 - Anil Kumar – Kalil Hasan
 - Adam Alexi-Malle – Joseph Fayed
 - Dagmara Dominczyk – Nicole
 - John Thaddeus – Joseph "Joe" Prado
 - Keith Szarabajka – Robert Morrison
 - Kris Iyer – Sabir Ardakani
 - Faran Tahir – Tomas Sherek
 - Matt Gallini – Abdul Mahnesh
 - Kiran Rao – Hikmat Palpatine
 
Keeler's family and administration
- Geoff Pierson – President John Keeler
 - Chris Olivero – Kevin Keeler
 - Gregory Itzin – Vice-president Charles Logan[27]
 - Jude Ciccolella – Mike Novick[15]
 - John Allen Nelson – Logan's Chief of Security Walt Cummings
 - Glenn Morshower – Secret Service Agent Aaron Pierce[16]
 - Dennis Haysbert – former President David Palmer[12]
 - J. Patrick McCormack – Robert Franklin
 - Patrick Kilpatrick – Secret Service Agent Dale Spalding
 - Matt Salinger – Mark Kanar
 
McLennan-Forster storyline
- Robertson Dean – Henry Powell
 - Bill Smitrovich – Gene McLennan
 - Richard Marcus – Forbes
 - Albie Selznick – John Reiss
 - Tomas Arana – Dave Conlon
 - Amin Nazemzadeh – Naji
 - Omid Abtahi – Safa
 - Christopher B. Duncan – Specter
 
Chinese Consulate
- Tzi Ma – Cheng Zhi
 - Peter Chin – Lee Jong
 - François Chau – Koo Yin
 - Ping Wu – Su Ming
 
Miscellaneous characters
- Lukas Haas – Andrew Paige
 - Leighton Meester – Debbie Pendleton
 - Angela Goethals – Maya Driscoll (Erin Driscoll's daughter)
 - Roxanne Day – Jen Slater
 - T. J. Thyne – Jason Girard
 - Claudette Mink – Kelly Girard
 - Evan Handler – David Weiss
 - Tim Kelleher – Greg Merfield (Secret Service Agent)
 - Lina Patel – Nabilla Al-Jamil
 - Phyllis Lyons – Karen Pendleton
 - Michael Benyaer – Naseem
 - Hector Luis Bustamante – Dr. Martinez
 - Rick Garcia – Rick Garcia
 
Bauer's family and associates
- Kiefer Sutherland – Jack Bauer[1]
 - Elisha Cuthbert – Kim Bauer[3]
 - Kim Raver – Audrey Raines[23]
 - C. Thomas Howell – Barry Landes
 
Jack's Inner Circle
- Mary Lynn Rajskub – Chloe O'Brian[20] (CTU agent) see also CTU / Division / Homeland Security
 - Reiko Aylesworth – Michelle Dessler[19] (former CTU Division Deputy Director; Tony's wife)
 - Carlos Bernard – Tony Almeida[5] (former CTU Director; Michelle's husband)
 
CTU / Division / Homeland Security
- James Morrison – Bill Buchanan[24](CTU Director/ CTU Division Director)
 - Mary Lynn Rajskub – Chloe O'Brian[20] (CTU agent)
 - Carlo Rota – Morris O'Brian[28] (Chloe O'Brian's ex-husband)
 - Sean Astin – Lynn McGill (Division; takes over as CTU Director)
 - Kim Raver – Audrey Raines[23] (DOD liaison for CTU)
 - Louis Lombardi – Edgar Stiles[26](CTU agent)
 - Roger Cross – Curtis Manning[25] (CTU agent; Head of Field Ops)
 - Jayne Atkinson – Karen Hayes[29](Homeland Security official)
 - Stephen Spinella – Miles Papazian (Hayes' assistant)
 - Jonah Lotan – Spenser Wolff (CTU agent)
 - Danielle Burgio – Carrie Bendis (CTU agent)
 - Kate Mara – Shari Rothenberg (CTU agent)
 - Martin A. Papazian – Rick Burke
 - Thomas Vincent Kelly – Marc Besson
 - Jenny Levine – Valerie Harris
 - Peter Asle Holden – Harry Swinton (CTU security guard)
 - Carl Edwards – Jim Hill (Homeland Security official)
 - Josie Di Vincenzo – CTU Agent Mara Tyler
 - David Joyner – CTU S.W.A.T Agent Jones
 - Michael Roddy – CTU S.W.A.T Agent Smith
 - Tony Wayne – Robin Powers
 - Alex Castillo – CTU Guard Hugo
 - Marci Michelle – CTU Agent Marcy Reynolds
 - Thomas Howell – CTU Guard Henry
 - Billy Chamberlain – CTU Agent Fitzpatrick
 - John McCain – CTU staffer
 
Sentox Nerve Gas Conspiracy
- Gregory Itzin – Charles Logan[27]
 - Paul McCrane – Graem Bauer
 - Peter Weller – Christopher Henderson
 - Geraint Wyn Davies – James Nathanson
 - John Allen Nelson – Walt Cummings
 - Jeff Kober – Conrad Haas
 - Robert Rusler – Hank
 - José Zúñiga – Joseph Malina
 - Sky Soleil – John Stratton
 - John Butox – Steve Miller
 - Carl Gilliard – Ron Swanson
 
Federal Government officials, employees and associates
- Gregory Itzin – Charles Logan (President)[27]
 - Jean Smart – Martha Logan (First Lady)[30]
 - Ray Wise – Hal Gardner (Vice President)
 - John Allen Nelson – Walt Cummings (Chief of Staff)
 - Jude Ciccolella – Mike Novick (Senior advisor)[15]
 - Glenn Morshower – Aaron Pierce (Secret Service)
 - William Devane – James Heller (Secretary of Defense)[22]
 - Sandrine Holt – Evelyn Martin (Martha's personal aide)
 - Alla Korot – Suzanne Cummings (Walt's wife)
 - Anita Finlay – Wendy Brown (White House aide)
 - Robb Reesman – Dr. Hill (Martha's personal doctor)
 - Taylor Nichols – Burke
 - David McDivitt – White House staffer
 - Tracy Howe – Secret Service Agent Justin Adams
 - Jason Grutter – Secret Service Agent Doug Masters
 - Tim Mikulecky – Secret Service Agent Mark Wexler
 
Palmer family
- Dennis Haysbert – David Palmer[12]
 - D. B. Woodside – Wayne Palmer[21]
 
Russian Federation
- Nick Jameson – Yuri Suvarov
 - Kathleen Gati – Anya Suvarov
 
Russian separatists and collaborators
- Julian Sands – Vladimir Bierko
 - Mark Sheppard – Ivan Erwich
 - David Dayan Fisher – Anton Beresch
 - Alex Kuznetsov – Ostroff
 - Stana Katic – Collette Stenger
 - Patrick Bauchau – Jacob Rossler
 - Timothy Omundson – Polokoff
 - Marat Oyvetsky – Viktor Grigorin
 - Taras Los – Chevensky
 - Robert Maffia – Andrei
 - Timothy V. Murphy – Schaeffer
 - Yorgo Constantine – Mikhail
 
People's Republic of China
- Tzi Ma – Cheng Zhi
 
Miscellaneous Feds/Police/Medical
- John G. Connolly – Sgt. Mike McLaren
 
Miscellaneous characters
- Connie Britton – Diane Huxley
 - Brady Corbet – Derek Huxley
 - Penny Balfour – Jenny McGill
 - Henry Ian Cusick – Theo Stoller
 - Matthew Boylan – Dwayne Thompkins
 - Angela Sarafyan – Inessa Kovalevsky
 - Skylar Roberge – Amy Martin
 - JoBeth Williams – Miriam Henderson
 - Pia Artesona – Joanna Tandy
 - Channon Roe – Cal
 - Andrew Hawkes – Scott Evans
 - Tom Wright – Admiral Kirkland
 - Jeremy Ray Valdez – Petty Officer Tim Rooney
 - Eddie Mekka – Ned
 - Rick Garcia – Rick Garcia
 
Bauer's family and associates
- Kiefer Sutherland – Jack Bauer[1]
 - James Cromwell – Phillip Bauer
 - Paul McCrane – Graem Bauer
 - Rena Sofer – Marilyn Bauer
 - Evan Ellingson – Josh Bauer
 - Kim Raver – Audrey Raines[23]
 - Mark Bramhall – Sam
 
CTU / Division / District
- James Morrison – Bill Buchanan[24]
 - Marisol Nichols – Nadia Yassir[31]
 - Mary Lynn Rajskub – Chloe O'Brian[20]
 - Carlo Rota – Morris O'Brian[28]
 - Roger Cross – Curtis Manning[25]
 - Eric Balfour – Milo Pressman[7]
 - Rick Schroder – Mike Doyle
 - Martin A. Papazian – Rick Burke
 - Spencer Garrett – Ben Kram (supervisor from Division)
 - James C. Victor – Hal Turner (CTU Agent)
 - Robb Weller – CTU Field Agent
 - Brian Silverman – CTU Field Agent
 - Lauten Richard Metcalfe – CTU Agent Stan Shavers
 - Lex Cassar – CTU Agent Ryan
 - Merik Tadros – CTU Agent Jamal
 - J. R. Bourne – CTU Agent Connell Johnson
 - Tony Wayne – Robin Powers
 
Federal Government officials, employees and associates
- D. B. Woodside – Wayne Palmer[21] (President of the United States)
 - Peter MacNicol – Tom Lennox[32](President Palmer's Chief of Staff)
 - Jayne Atkinson – Karen Hayes[29] (National Security Advisor)
 - Regina King – Sandra Palmer
 - Powers Boothe – Noah Daniels[33] (vice-president of the United States)
 - Chad Lowe – Reed Pollock (Deputy Chief of Staff)
 - Kari Matchett – Lisa Miller
 - Bob Gunton – Ethan Kanin (Secretary of Defense)
 - Michael Shanks – Mark Bishop (Lobbyist)
 - Michael Reilly Burke – Bruce Carson
 - Jim Holmes – Arthur Welton
 - Ray Laska – Kevin Graves (Attorney General)
 - D. C. Douglas – Blake Simon (President Palmer's Advisor)
 - Matt McKenzie – Agent Hollister (Secret Service Agent)
 - Andrea Grano – Ellen Price (President Palmer's press secretary)
 - Jolene Kim – Melinda (President Palmer's assistant)
 - Jamison Jones – Dan (Head of Secret Service)
 - William Bumiller – Agent Lowry (Secret Service Agent)
 - Matt Battaglia – Agent Jennings (Secret Service Agent)
 - Ajay Mehta – Middle Eastern Ambassador
 - Peter Iannone – Homeland Security Official
 - Kurt Hueig – Homeland Security Official
 - Myra Mawk – Homeland Security Official
 
People's Republic of China
- Tzi Ma – Cheng Zhi
 - Ian Anthony Dale – Zhou Yong
 
Russian/Islamic Terrorists
- Adoni Maropis – Abu Fayed
 - Rade Šerbedžija – General Dmitri Gredenko
 - David Hunt – Darren McCarthy
 - Kal Penn – Ahmed Amar
 - Shaun Majumder – Hasan Numair
 - Missy Crider – Rita Brady
 - Sam Kanater – General Mohmar Habib
 - Steven Schub – Samir Hussain
 - Dylan Kenin – Victor
 - Patrick Sabongui – Nasir
 - Said Faraj – Halil
 - Sammy Sheik – Masheer
 - Adrian R'Mante – Omar
 
Phillip's Conspirators/BXJ Technologies
- James Cromwell – Phillip Bauer
 - Paul McCrane – Graem Bauer
 - Maury Sterling – Kozelek Hacker
 - Adrian Neil – Liddy
 
Anacostia Detention Facility
- Scott William Winters – Agent Samuels
 - Al Faris – Salim
 - Haaz Sleiman – Heydar
 
Russian Federation
- John Noble – Anatoly Markov
 - Nick Jameson – Yuri Suvarov
 - Kathleen Gati – Anya Suvarov
 
Miscellaneous characters
- William Devane – James Heller[22]
 - Glenn Morshower – Aaron Pierce
 - Gregory Itzin – Charles Logan[27]
 - Jean Smart – Martha Logan[30]
 - Alexander Siddig – Hamri Al-Assad
 - Harry Lennix – Walid Al-Rezani
 - Raphael Sbarge – Ray Wallace
 - Megan Gallagher – Jillian Wallace
 - Michael Angarano – Scott Wallace
 - Chris Kramer – Stuart Pressman
 - Pat Healy – Marcus
 - Eric Bruskotter – Stan
 - Nancy Cartwright – Jeannie Tyler
 - Devon Gummersall – Mark Hauser
 - Scott Michael Campbell – Brady Hauser
 
The following characters appeared in the television film 24: Redemption and the seventh season of the series.
Bauer family and others
- Kiefer Sutherland – Jack Bauer[1]
 - Elisha Cuthbert – Kim Bauer
 - Paul Wesley – Stephen (Kim's husband)
 - Claire Geare – Teri (Kim's daughter)
 
FBI
- Jeffrey Nordling – Larry Moss (FBI Special Agent in Charge)
 - Annie Wersching – Renee Walker (FBI Special Agent)
 - Janeane Garofalo – Janis Gold (FBI Analyst)
 - Rhys Coiro – Sean Hillinger (FBI Analyst)
 - Ever Carradine – Erika (Computer Analyst)
 - John Billingsley – Michael Latham (Security specialist)
 
Federal government officials, employees and associates
- Powers Boothe – President Noah Daniels
 - Cherry Jones – Allison Taylor (President of the United States of America)
 - Colm Feore – Henry Taylor (First Gentleman)
 - Sprague Grayden – Olivia Taylor (First Daughter)
 - Eric Lively – Roger Taylor
 - Cameron Daddo – Mitchell Hayworth (Vice President of the United States of America)[34]
 - Peter MacNicol as Tom Lennox
 - Bob Gunton – Ethan Kanin (White House Chief of Staff)
 - Isaach De Bankolé – Prime Minister Ule Motobo
 - Glenn Morshower – Aaron Pierce[16](Former Secret Service Agent)
 - Warren Kole – Brian Gedge (Secret Service Agent)
 - Mark Kiely – Edward Vossler (Secret Service Agent)
 - Frank John Hughes – Tim Woods (Secretary of Homeland Security)
 - Kurtwood Smith – Senator Blaine Mayer
 - Gil Bellows – Frank Trammell (U.S. Embassy Official in Sengala)
 - Ryan Cutrona – Admiral John Smith
 - Christina Chang – Dr. Sunny Macer
 - Mark Derwin – Joe Stevens (Secretary of State)
 - Lesley Fera – Angela Nelson (Press Secretary)
 - Sean Michael – Charles Solenz
 
"Underground" CTU
- Kiefer Sutherland – Jack Bauer[1]
 - Carlos Bernard – Tony Almeida[5]
 - Mary Lynn Rajskub – Chloe O'Brian[20]
 - James Morrison – Bill Buchanan[24]
 - Carlo Rota – Morris O'Brian[28]
 
Juma regime
- Tony Todd – General Benjamin Juma (Leader of Coup in Sangala)
 - Hakeem Kae-Kazim – Colonel Iké Dubaku
 - Peter Wingfield – David Emerson
 - Arjay Smith – Laurent Dubaku
 - Mark Aiken – Nichols
 - Dameon Clarke – Alan Tanner
 - Maximiliano Hernández – Donnie Fox
 - Nick Chinlund – Masters
 
Starkwood
- Jon Voight – Jonas Hodges
 - Rory Cochrane – Greg Seaton[35]
 - Chris Mulkey – Doug Knowles
 - Michael Rodrick – Stokes
 - Gabriel Casseus – Robert Galvez
 - Sebastian Roché – John Quinn
 - Eyal Podell – Ryan Burnett (Senator Mayer's Advisor who is in league with Starkwood)
 
Prion Variant cabal
- Will Patton – Alan Wilson
 - Amy Price-Francis – Cara Bowden (operative disguised as Hodges' lawyer)
 
Miscellaneous characters
- Robert Carlyle – Carl Benton
 - Tommy Flanagan – Gabriel Schector
 - Kris Lemche – Chris Whitley
 - Carly Pope – Samantha Roth (Roger Taylor's Girlfriend)
 - Tonya Pinkins – Alama Motobo
 - Andi Chapman – Rosa Donoso
 - Enuka Okuma – Marika Donoso
 - Omid Abtahi – Jibraan Al-Zarian
 - Ravi Kapoor – Muhtadi Gohar
 - Rafi Gavron – Hamid Al-Zarian
 - Siyabulela Ramba – Willie
 - Don McManus – Bob Peluso
 - Mary Page Keller – Sarah
 
Bauer's family and associates
- Kiefer Sutherland – Jack Bauer
 - Elisha Cuthbert – Kim Bauer
 - Annie Wersching – Renee Walker
 - Paul Wesley – Stephen
 - Claire Geare – Teri
 
CTU NY
- Mykelti Williamson – Brian Hastings
 - Mary Lynn Rajskub – Chloe O'Brian
 - Freddie Prinze Jr. – Cole Ortiz
 - Katee Sackhoff – Dana Walsh
 - John Boyd – Arlo Glass
 - Julian Morris – Owen
 - Matthew Yang King (as Matt Yang King) – King
 - Jamie Martz – Nate Burke
 - Justin Alston – Beck
 
Federal Government officials, employees and associates
- Cherry Jones – President Allison Taylor
 - Chris Diamantopoulos – Chief of Staff Rob Weiss
 - Bob Gunton – Secretary of State Ethan Kanin
 - Gregory Itzin – Former President Charles Logan
 - Frank John Hughes – Tim Woods
 - Reed Diamond – Jason Pillar
 - Michael Gaston – General David Brucker
 - Eriq La Salle – UN Secretary General
 - Lesley Fera – Angela Nelson
 - Merle Dandridge – Kristen Smith
 - Julie Claire – Eden Linley
 - Michael Irby – Adrion Bishop
 - Christina Cox – Molly O'Connor
 - Kathryn Winslow – Ellen Kramer
 - Chris McGarry – Frank Haynum
 - Sarah Hollis – Susan
 
Islamic Republic of Kamistan
- Anil Kapoor – President Omar Hassan
 - Necar Zadegan – Dalia Hassan
 - Nazneen Contractor – Kayla Hassan
 - Akbar Kurtha – Farhad Hassan
 - T. J. Ramini – Tarin Faroush
 - Mido Hamada – Samir Mehran
 - Rami Malek – Marcos Al-Zacar
 - Hrach Titizian – Nabeel
 - Navid Negahban – Jamot
 - Ethan Rains – Ali
 - Rizwan Manji – Ahman
 
Red Square
- Jürgen Prochnow – Sergei Bazhaev
 - David Anders – Josef Bazhaev
 - Gene Farber – Oleg Bazhaev
 - Callum Keith Rennie – Vladimir Laitanan
 - Doug Hutchison – Davros
 - Jordan Marder – Dimitri
 - Jon Sklaroff – Ziya Dakhilov
 - Tony Curran – Lugo Elson
 
Russian Federation
- Nick Jameson – President Yuri Suvarov
 - Graham McTavish – Mikhail Novakovich
 - Joel Bissonnette – Pavel Tokarev
 
Miscellaneous characters
- Benito Martinez – Victor Aruz
 - Clayne Crawford – Kevin Wade
 - Jennifer Westfeldt – Meredith Reed
 - Michael Filipowich – Nick Coughlin
 - Mare Winningham – Elaine Al-Zacar
 - Stephen Root – Bill Prady
 - D. B. Sweeney – Mark Bledsoe
 - Michael Madsen – Jim Ricker
 - Joe Nieves – NYPD Officer James "Jim" Koernig
 - Sandra Purpuro – Maggie Koernig
 - Domenick Lombardozzi – NYPD Officer John Mazoni
 - Johnny Wu – NYPD Officer Philip Lu
 - Eli Goodman – Dr. Joel Levine
 - Thomas Ryan – Gary Klausner
 - Alex Carter – Nantz
 
Bauer and associates
- Kiefer Sutherland – Jack Bauer
 - Branko Tomović – Belcheck
 
CIA London
- Yvonne Strahovski – Kate Morgan
 - Gbenga Akinnagbe – Erik Ritter
 - Giles Matthey – Jordan Reed
 - Benjamin Bratt – Steve Navarro
 - Adam Sinclair – Gavin Leonard
 - Christina Chong – Mariana
 
Federal Government officials, employees and associates
- William Devane – President James Heller
 - Tate Donovan – Chief of Staff Mark Boudreau
 - Kim Raver – Audrey Boudreau
 - Ross McCall – Ron Clark
 - Colin Salmon – General Coburn
 - John Boyega – First Lieutenant Chris Tanner
 - Duncan Pow – Captain Greg Denovo
 
United Kingdom officials, employees and associates
- Stephen Fry – Prime Minister Alastair Davies
 - Miranda Raison – Caroline Fowlds
 - James Puddephatt – Ken
 
Open Cell
- Mary Lynn Rajskub – Chloe O'Brian
 - Michael Wincott – Adrian Cross
 - Joseph Millson – Derrick Yates
 - Mandeep Dhillon – Chell
 - Charles Furness – Pete
 
Drone terrorist plot
- Michelle Fairley – Margot Al-Harazi
 - Emily Berrington – Simone Al-Harazi
 - Liam Garrigan – Ian Al-Harazi
 - Sacha Dhawan – Naveed Shabazz
 
Russian Federation
- Stanley Townsend – Anatol Stolnavich
 
Miscellaneous characters
- Tzi Ma – Cheng Zhi
 - Alex Lanipekun – James Harman
 - Tamer Hassan – Aron Bashir/Basher
 
List of U.S. presidents
| Season | Year | Main Location | Time | Election | President | Actor/Actress | VP | Actor | Party | 
|---|---|---|---|---|---|---|---|---|---|
| 1 | April 23 | Los Angeles | 12:00 a.m. – 12:00 a.m. | N | No U.S. President mentioned | ||||
| 2 | + 18 months | 8:00 a.m. – 4:58:45 a.m. | + 1 | David Palmer | Dennis Haysbert | Jim Prescott | Alan Dale | Democratic | |
| 4:58:45 a.m. – 7:48:23 a.m. | Jim Prescott | Alan Dale | Vacant | ||||||
| 7:48:23 a.m. – 8:00 a.m. | David Palmer | Dennis Haysbert | Jim Prescott | Alan Dale | |||||
| 3 | + 36 months | 1:00 p.m. – 1:00 p.m. | |||||||
| 4 prequel | + 3 months | + 2 | John Keeler | Geoff Pierson | Charles Logan | Gregory Itzin | Republican | ||
| + 12 months | |||||||||
| + 3 months | Los Angeles | ||||||||
| 4 | + 6 hours | 7:00 a.m. – 11:59:12 a.m. | |||||||
| 11:59:12 a.m. – 7:00 a.m. | Charles Logan | Gregory Itzin | Vacant | ||||||
| 5 prequel | + 12 months | Chicago | 1:47:00 p.m. – 1:54:23 p.m. | Not mentioned | |||||
| 5 | + 6 months | Los Angeles | 7:00 a.m. – 7:00 a.m. | Hal Gardner | Ray Wise | ||||
| 6 prequel | + 7 months | China | Hal Gardner | Ray Wise | Not mentioned | ||||
| 6 | + 13 months | Los Angeles | 6:00 a.m. – 11:54 a.m. | + 3 | Wayne Palmer | DB Woodside | Noah Daniels | Powers Boothe | Democratic | 
| 11:54 a.m. – 6:00 a.m. | Noah Daniels | Powers Boothe | Vacant | ||||||
| Debrief | + 15 hours | 9:00 p.m. – 10:38:29 p.m. | |||||||
| Redemption | + 45 months | Sangala | 3:00 p.m. – 4:57:14 p.m. | Not mentioned | |||||
| 4:57:14 p.m. – 5:00 p.m. | + 4 | Allison Taylor | Cherry Jones | Mitchell Hayworth | Cameron Daddo | Republican | |||
| 7 | + 2 months | Washington, D.C. | 8:00 a.m. – 8:00 a.m. | ||||||
| 8 | + 18 months | New York City | 4:00 p.m. – 4:00 p.m. | Not mentioned | |||||
| Chloe's Arrest | + 1 day | No U.S. President mentioned | |||||||
| Live Another Day | + 48 months | London | 11:00 a.m. – 11:00 a.m. | + 5 | James Heller | William Devane | Not mentioned | ||
| Solitary | + 30 months | + 6 | No U.S. President mentioned | ||||||
| Legacy | + 6 months | Washington, D.C. | 12:00 p.m. – 12:00 p.m. | ||||||
References
- ^ a b c d e f g h Kiefer Sutherland as Jack Bauer
 - ^ What Are They Up To? 24's Leslie Hope
 - ^ a b c Elisha Cuthbert as Kim Bauer
 - ^ a b c Sarah Clarke as Nina Myers
 - ^ a b c d e Carlos Bernard as Tony Almeida
 - ^ Quick primer on '24' roster
 - ^ a b Milo Returns to 24
 - ^ '24': Kiefer will have three more very bad days
 - ^ Scott Denny at IMDB
 - ^ a b Xander Berkeley as George Mason
 - ^ a b c "'Rambo IV' may star Paul Schulze of '24' fame". Archived from the original on December 1, 2008. Retrieved March 19, 2008.
 - ^ a b c d e Dennis Haysbert as President David Palmer
 - ^ a b c Penny Johnson Jerald as Sherry Palmer
 - ^ Megalyn Echikunwoke at IMDB
 - ^ a b c d Jude Ciccolella IMDB
 - ^ a b c d e Glenn Morshower at IMDB
 - ^ Michael Massee at IMDB
 - ^ a b c Mia Kirshner at IMDB
 - ^ a b c Resurrection, politics return in Fox's '24' Archived December 6, 2008, at the Wayback Machine
 - ^ a b c d e f The Real Chloe O'Brian
 - ^ a b c DB Woodside at IMDB
 - ^ a b c William Devane at IMDB
 - ^ a b c d Kim Raver at IMDB
 - ^ a b c d James Morrison: Feasible Threat for New Season of Fox's '24' Archived December 1, 2008, at the Wayback Machine
 - ^ a b c Roger R. Cross at IMDB
 - ^ a b Louis Lombardi at IMDB
 - ^ a b c d Chertoff says Homeland Security no '24'
 - ^ a b c Carlo Rota at IMDB
 - ^ a b Supporting players get to shine
 - ^ a b Seattle native Jean Smart happily back in the TV grind for a stint on "24"
 - ^ Marisol Nichols at IMDB
 - ^ Peter MacNicol at IMDB
 - ^ Powers Boothe – The Envelope – LA Times
 - ^ Prime time's trio of tabloid tarts | The Daily Telegraph
 - ^ "24 casting news, Rory Cochrane joins Fox's 24 this season - Today's News: Our Take | TVGuide.com". Archived from the original on July 31, 2008. Retrieved July 30, 2008.