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 Colm Feore Henry Taylor Actor Bob Gunton Ethan Kanin Actor Rhys Coiro Sean Hillinger Actor Jeffrey Nordling Larry Moss Actor Sprague Grayden Olivia Taylor Guest Star Hakeem Kae-Kazim Colonel Iké Dubaku Guest Star Kurtwood Smith Senator Blaine Mayer Guest Star Ever Carradine Erika Guest Star Enuka Okuma Marika Donoso Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Milan Chelov Director Manny Coto Writer Brannon Braga Writer