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 Roger Cross Curtis Manning Guest Star Harry Lennix Walid Al-Rezani Guest Star Kal Penn Ahmed Amar Guest Star Michael Angarano Scott Wallace Guest Star Megan Gallagher Jillian Wallace Guest Star Adoni Maropis Abu Fayed Guest Star Raphael Sbarge Ray Wallace Guest Star Alexander Siddig Hamri Al-Assad Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Jon Cassar Director Manny Coto Writer