Kiefer Sutherland Jack Bauer Actor Mary Lynn Rajskub Chloe O'Brian Actor James Morrison Bill Buchanan Actor DB Woodside Wayne Palmer Actor Jayne Atkinson Karen Hayes Actor Carlo Rota Morris O'Brian Actor Peter MacNicol Thomas Lennox Actor Regina King Sandra Palmer Actor Eric Balfour Milo Pressman Actor Marisol Nichols Nadia Yassir Actor Chad Lowe Reed Pollock Guest Star Rade Serbedzija Dmitri Gredenko Guest Star Rena Sofer Marilyn Bauer Guest Star Maury Sterling Kozelek Hacker Guest Star Matt McKenzie Agent Hollister Guest Star James C. Victor Hal Turner Guest Star Evan Ellingson Josh Bauer Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer, Writer Brad Turner Director Evan Katz Writer