Kiefer Sutherland Jack Bauer Actor Mary Lynn Rajskub Chloe O'Brian Actor Cherry Jones Allison Taylor Actor Katee Sackhoff Dana Walsh Actor Mykelti Williamson Brian Hastings Actor Freddie Prinze Jr. Cole Ortiz Actor Chris Diamantopoulos Rob Weiss Actor John Boyd Arlo Glass Actor Gregory Itzin Charles Logan Guest Star Frank John Hughes Tim Woods Guest Star Necar Zadegan Dalia Hassan Guest Star Nazneen Contractor Kayla Hassan Guest Star Joel Bissonnette Pavel Tokarev Guest Star James Hiroyuki Liao Devon Rosenthal Guest Star Sarah Hollis Susan Guest Star Reed Diamond Jason Pillar Guest Star D.B. Sweeney Mark Bledsoe Guest Star Navid Negahban Jamot Guest Star Graham McTavish Mikhail Novakovich Guest Star Ryan Alosio Brian Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Michael Klick Director Evan Katz Writer Alex Gansa Writer