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 Adoni Maropis Abu Fayed Guest Star Alexander Siddig Hamri Al-Assad Guest Star Harry Lennix Walid Al-Rezani Guest Star David Hunt Darren McCarthy Guest Star Melissa Crider Rita Brady Guest Star Rena Sofer Marilyn Bauer Guest Star Al Faris Salim Guest Star Haaz Sleiman Heydar Guest Star Joel Surnow Executive Producer, Writer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Milan Cheylov Director Michael Loceff Writer