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 Kurtwood Smith Senator Blaine Mayer Guest Star Glenn Morshower Aaron Pierce Guest Star Rory Cochrane Greg Seaton Guest Star Sprague Grayden Olivia Taylor Guest Star Frank John Hughes Tim Woods Guest Star Tony Todd General Benjamin Juma Guest Star Cameron Daddo Vice President Mitchell Hayworth Guest Star Jon Voight Jonas Hodges Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Brad Turner Director Evan Katz Writer