Dennis Haysbert is an American actor best known for his starring television roles as President David Palmer on 24 (2001-2006), and as Sergeant Major Jonas Blaine in The Unit, from 2006-2009
Xander Berkeley is an American actor best known to television audiences for his starring role as George Mason, the head of the Counter Terrorist Unit, on the action drama series 24, from 2001-2003
Kiefer Sutherland is a Canadian actor best known for his starring, iconic role as Jack Bauer on the action television series 24, from 2001-2010
Elisha Cuthbert is a Canadian actress best known for her role as Kim Bauer in the action-thriller television series 24, from 2001-2010
Eric Balfour is an American actor best known for his role as Milo Pressman in the first and sixth seasons of the action series 24.
Sarah Clarke is an American actress best known for her role as the villainous Nina Myers on the first three seasons of the action drama television series 24
Penny Johnson Jerald (also credited as Penny Jerald) is an American actress best known for her television roles as Sherry Palmer on the action series 24, Kasidy Yates on Star Trek: Deep Space Nine and Beverley Barnes on The Larry Sanders Show
Leslie Hope is a Canadian actress best known for her starring role as Teri Bauer in the first season of the television action series 24, in 2002
Carlos Bernard is an American actor best known for his role as CTU agent Tony Almeida in the action television series 24
Sarah Wynter is an Australian actress best known for her role as Kate Warner on the television drama 24, appearing in all 24 episodes of Season 2 and one episode of Season 3
Reiko Aylesworth is an American actress best known for her work on the television series 24
James Badge Dale is an American actor best known for his starring television roles as Agent Chase Edmunds in 24 (2003-2004) and as Will Travers in Rubicon, in 2010
Mary Lynn Rajskub is an American actress, artist, and comedienne best known for her role as analyst Chloe O'Brian on the television series 24
D.B. Woodside is an American actor best known for his role as White House Chief of Staff (and later President) Wayne Palmer on the action series 24.
Kim Raver is an American actress best known for her television roles as Kim Zambrano on Third Watch (1999-2005), as Audrey Raines on 24 (2004-2007) and as Nico Reilly on Lipstick Jungle, from 2008-2009
James Morrison is an American actor best known for his role as Counter Terrorist Unit Director Bill Buchanan in the television action series 24
Gregory Itzin is an American actor best known for his role as President Charles Logan on the television action series 24
Roger Cross is a Jamaica-born Canadian actor best known for his role as Special Agent Curtis Manning in the action drama series 24, from 2005-2007
On television, Louis Lombardi had a recurring role on The Sopranos, and guest starred on such shows as NYPD Blue and CSI
Alberta Watson is a Canadian actress best known for her role as Erin Driscoll in the fourth season of action show 24, appearing in 13 episodes
William Devane is an American film, theatre and television actor best known for his ten years as the villainous Greg Sumner on the drama series Knots Landing
Lana Parrilla is an American actress best known for her role as Sarah Gavin on the fourth season of the television action series 24, in 2005
Jayne Atkinson is an English actress best known for her role as Karen Hayes in seasons 5 and 6 of the television action series 24
Jean Smart is an American actress best known for her roles as Charlene Frazier Stillfield on Designing Women (1986-1991), and as Martha Logan on 24 (2006-2007)
Carlo Rota is a British-born Canadian actor best known for his role as Chloe O'Brian's ex-husband Morris O'Brian in the action drama television series 24, from 2006-2009
Bob Gunton is an American actor best known for his role as Warden Samuel Norton in the 1994 prison film The Shawshank Redemption; and for his role as White House Chief of Staff Ethan Kanin in the television action series 24, and its prequel movie 24: Redemption
Marisol Nichols is an American actress best known for her lead roles as Detective Karen Bettancourt in the cop drama Blind Justice, as lawyer Sonya Quintano in the 2006 criminal drama series In Justice and as Special Agent Nadia Yassir in the sixth season of 24
Regina King is an American actress best known for her starring role as Brenda Jenkins in the television sitcom 227, from 1985-1990
Peter MacNicol is an American actor best known for his role as eccentric attorney John Cage in the television dramedy Ally McBeal, for which he won an Emmy Award for Outstanding Supporting Actor in a Comedy Series in 2001
Colm Feore is a Canadian-American actor known for supporting roles in movies such as FaceOff, City Of Angels, Pearl Harbor, Paycheck and The Chronicles Of Riddick
Janeane Garofalo is an American stand-up comedian, actress, political activist, writer and former co-host on Air America Radio's The Majority Report
Jeffrey Nordling is an American actor best known for his role as Sela Ward's ex-husband, Jake Manning, on the television drama series Once and Again, from 1999-2002
as
President Allison Taylor
Cherry Jones is an American actress known primarily for her stage work, including her Tony-winning lead performances in Lincoln Center's 1995 production of The Heiress and John Patrick Shanley's play Doubt, which opened at the Walter Kerr Theatre in March 2005
Annie Wersching was an American actress best known for her role as FBI agent Renee Walker on the television action series 24.
Rhys Coiro is an American actor best known for his recurring role as director Billy Walsh in the comedy-drama television series Entourage, from 2004-2011
John Boyd is an American actor best known for his starring role as Arlo Glass on the final season of the action television series 24, in 2010
Mykelti Williamson is an American actor best known for his role as Private Benjamin Buford "Bubba" Blue in the Academy Award-winning 1994 film Forrest Gump
Katee Sackhoff is an American actress best known for her starring role as Captain Kara "Starbuck" Thrace on the reimagined science fiction television series Battlestar Galactica
Anil Kapoor is an Indian actor and producer who mainly appears in Bollywood films but who is recognised by international audiences for his role as Prem Kapur in the 2008 film Slumdog Millionaire and for his role as President Omar Hassan in the final season of the action television series 24, in 2010
Chris Diamantopoulos is a Canadian actor best known for his role as gay interior decorator Rodney in the 2007 television mini-series The Starter Wife and its 2008 series spin-off of the same name