Main characters

Below are the main charcters and cast in each season. If you cannot find a character or cast member, please look in the Recurring Characters, Guest Characters or Characters By Groups sections.

Season 1

 * Kiefer Sutherland as Jack Bauer
 * Leslie Hope as Teri Bauer
 * Sarah Clarke as Nina Myers
 * Carlos Bernard as Tony Almeida
 * Dennis Haysbert as David Palmer
 * Penny Johnson Jerald as Sherry Palmer
 * Elisha Cuthbert as Kimberly Bauer

Season 2

 * Kiefer Sutherland as Jack Bauer
 * Carlos Bernard as Tony Almeida
 * Reiko Aylesworth as Michelle Dessler
 * Xander Berkeley as George Mason
 * Dennis Haysbert as David Palmer
 * Elisha Cuthbert as Kimberly Bauer

Season 3

 * Kiefer Sutherland as Jack Bauer
 * Carlos Bernard as Tony Almeida
 * Reiko Aylesworth as Michelle Dessler
 * DB Woodside as Chase Edmunds
 * Dennis Haysbert as David Palmer
 * Elisha Cuthbert as Kimberly Bauer

Season 4

 * Kiefer Sutherland as Jack Bauer
 * Carlos Bernard as Tony Almeida
 * Alberta Watson as Erin Driscoll
 * Roger R. Cross as Curtis Manning
 * Mary Lynn Rajskub as Chloe O'Brian
 * Kim Raver as Audrey Raines
 * Arnold Vosloo as Habib Marwan