Kiefer Sutherland - Jack Bauer
Sarah Clarke - Nina Myers
Dennis Haysbert - David Palmer
Elisha Cuthbert - Kim Bauer
Leslie Hope - Teri Bauer
Penny Johnson - Sherry Palmer
Carlos Bernard - Tony Almeida
Sarah Wynter - Kate Warner
Xander Berkeley - George Mason
Reiko Aylesworth - Michelle Dessler
James Badge Dale - Chase Edmunds
William Devane - James Heller
Alberta Watson - Erin Driscoll
Kim Raver - Audrey Heller Raines
Roger R. Cross - Curtis Manning
Mary Lynn Rajskub - Chloe O'Brian
Jude Ciccolella - Mike Novick
Glenn Morshower - Aaron Pierce
D.B. Woodside - Wayne Palmer
Louis Lombardi - Edgar Stiles
Paul Schulze - Ryan Chappelle