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 Powers Boothe Vice President Noah Daniels Guest Star Ricky Schroder Mike Doyle Guest Star Kari Matchett Lisa Miller Guest Star James Cromwell Phillip Bauer Guest Star Evan Ellingson Josh Bauer Guest Star Tzi Ma Cheng Zhi Guest Star Rena Sofer Marilyn Bauer Guest Star Michael Shanks Mark Bishop Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Bryan Spicer Director Manny Coto Writer