Dipartimento della Difesa e famiglia di Heller
Kiefer Sutherland – Jack Bauer (Assistente speciale del Segretario della Difesa)
William Devane – James Heller (Segretario della Difesa)
Kim Raver – Audrey Raines (Figlia di James Heller/Fidanzata di Jack Bauer)
Logan Marshall-Green – Richard Heller (Figlio di James Heller)
James Frain – Paul Raines (Ex-marito di Audrey)
David Newsom – Scott Borman
Il CTU
Carlos Bernard – Tony Almeida
Reiko Aylesworth – Michelle Dessler
Alberta Watson – Erin Driscoll
Mary Lynn Rajskub – Chloe O’Brian
James Morrison – Bill Buchanan
Roger Cross – Curtis Manning
Lana Parrilla – Sarah Gavin
Louis Lombardi – Edgar Stiles
Aisha Tyler – Marianne Taylor
Robert Cicchini – Howard Bern
Cameron Bancroft – Lee Castle
Shawn Doyle – Ronnie Lobell
Thomas Vincent Kelly – Mark Besson
Butch Klein – Eric Richards
Naomi Kirkpatrick – Meredith Atterson
Brandon Barash – Brandon
Shannon Becker – Allison Nichols
I terroristi
Arnold Vosloo – Habib Marwan
Nestor Serrano – Navi Araz
Shohreh Agdashloo – Dina Araz
Jonathan Ahdout – Behrooz Araz
Ned Vaughn – Mitch Anderson
Tony Plana – Omar
Mia Kirshner – Mandy
Anil Kumar – Kalil Hassan
Adam Alexi-Malle – Joseph Fayed
Dagmara Dominczyk – Nicole
John Thaddeus – Joe Prado
Keith Szarabajka – Robert Morrison
Kris Iyer – Sabir Ardakani
Faran Tahir – Thomas Sherek
Keeler, famiglia e staff
Geoff Pierson – Presidente John Keeler
Chris Olivero – Kevin Keeler
Gregory Itzin – Vice Presidente/Presidente Charles Logan
Jude Ciccolella – Mike Novick
John Allen Nelson – Walt Cummings
Glenn Morshower – Aaron Pierce
J. Patrick McCormack – Robert Franklin
Patrick Kirkpatrick – Dale Spalding
McLennan-Forster
Robertson Dean – Henry Powell
Bill Smitrovich – Gene McLennan
Richard Marcus – Forbes
Albie Selznick – John Reiss
Tomas Arana – Dave Conlon
Consolato Cinese
Tzi Ma – Cheng Zhi
Peter Chin – Lee Jong
François Chau – Koo Yin
Ping Wu – Su Ming
Apparizioni speciali
Dennis Haysbert – David Palmer
Personaggi vari [modifica]
Lukas Haas – Andrew Paige
Leighton Meester – Debbie Pendleton
Angela Goethals – Maya Driscoll
Roxanne Day – Jen Slater
T.J. Thyne – Jason Girard
Claudette Mink – Kelly Girard
Evan Handler – David Weiss
Tim Kelleher – Greg Merfield
Lina Patel – Nabilla
Phyllis Lyons – Karen Pendleton
Michael Benyaer – Naseem
Amin Nazemenzadeh – Naji
Omid Abtahi – Safa
