Kiefer Sutherland Jack Bauer Actor Mary Lynn Rajskub Chloe O'Brian Actor James Morrison Bill Buchanan Actor Janeane Garofalo Janis Gold Actor Cherry Jones Allison Taylor Actor Carlos Bernard Tony Almeida Actor Annie Wersching Renee Walker Actor Bob Gunton Ethan Kanin Actor Jeffrey Nordling Larry Moss Actor Sprague Grayden Olivia Taylor Guest Star Jon Voight Jonas Hodges Guest Star Michael Rodrick Stokes Guest Star Kevin Fry Cooper Guest Star Rory Cochrane Greg Seaton Guest Star Stephen Jared Greer Guest Star Tim Guinee Ken Dellao Guest Star Chris Mulkey Doug Knowles Guest Star Connor Trinneer Carl Gadsen Guest Star Paul Francis Mitch Guest Star Rey Gallegos Agent Mizelli Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Jon Cassar Director Alex Gansa Writer