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 Jon Voight Jonas Hodges Guest Star Kurtwood Smith Senator Blaine Mayer Guest Star Sprague Grayden Olivia Taylor Guest Star Carlo Rota Morris O'Brian Guest Star Rory Cochrane Greg Seaton Guest Star Tim Guinee Ken Dellao Guest Star Sebastian Roché John Quinn Guest Star Lesley Fera Angela Nelson Guest Star Lucas Ford FBI Administrative Agent Guest Star Marci Michelle Marci Lamont Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Brad Turner Director Evan Katz Writer Carlos Coto Writer