Kiefer Sutherland Jack Bauer Actor Elisha Cuthbert Kim Bauer Actor Dennis Haysbert David Palmer Actor Carlos Bernard Tony Almeida Actor Reiko Aylesworth Michelle Dessler Actor James Badge Dale Chase Edmunds Actor Sarah Clarke Nina Myers Guest Star DB Woodside Wayne Palmer Guest Star Mary Lynn Rajskub Chloe O'Brian Guest Star Zachary Quinto Adam Kaufman Guest Star Jonny Rees Michael Amador Guest Star Penny Johnson Sherry Palmer Guest Star David Herman Dalton Furrelle Guest Star Gina Torres Julia Milliken Guest Star Paul Schulze Ryan Chappelle Guest Star Lothaire Bluteau Marcus Alvers Guest Star Albert Hall Alan Milliken Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer