Joel Surnow Creator, Executive Producer, Writer Robert Cochran Creator, Executive Producer, Writer 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 DB Woodside Wayne Palmer Guest Star Vincent Laresca Hector Salazar Guest Star Joaquim de Almeida Ramon Salazar Guest Star Wendy Crewson Dr. Anne Packard Guest Star Zachary Quinto Adam Kaufman Guest Star Glenn Morshower Aaron Pierce Guest Star Vanessa Ferlito Claudia hernandez Guest Star Paul Blackthorne Stephen Saunders Guest Star Jesse Borrego Gael Ortega Guest Star Penny Johnson Sherry Palmer Guest Star Jonny Rees Michael Amador Guest Star Gina Torres Julia Milliken Guest Star Paul Schulze Ryan Chappelle Guest Star Mary Lynn Rajskub Chloe O'Brian Guest Star Brian Grazer Executive Producer Howard Gordon Executive Producer, Writer Jon Cassar Director Ian Toynton Director Kevin Hooks Director Frederick King Keller Director Bryan Spicer Director Evan Katz Writer Stephen Kronish Writer Michael Loceff Writer Brad Turner Director Sean Callery Music Rodney Charters Cinematographer