Dr. Jeremy Stone (4 episodes, 2008)
Dr. Angela Noyce (4 episodes, 2008)
Major Bill Keane MD (4 episodes, 2008)
Colonel James C. Ferrus (4 episodes, 2008)
Lance Stone (4 episodes, 2008)
Jack Nash (4 episodes, 2008)
Dr. Tsi Chou (4 episodes, 2008)
Charles 'Chuck' Beeter (4 episodes, 2008)
President William J. Scott (4 episodes, 2008)
Edward 'Ed' Dewitt (4 episodes, 2008)
General George W. Mancheck (4 episodes, 2008)
Roach (4 episodes, 2008)
General Blair (4 episodes, 2008)
Dr. Charlene Barton (3 episodes, 2008)
Lisa Stone (3 episodes, 2008)
Pat Terrence (3 episodes, 2008)
Sarah Scott (3 episodes, 2008)
Joanne Scott (3 episodes, 2008)
Charles Henderson (3 episodes, 2008)
Annie Dillon (3 episodes, 2008)
Sherriff Martin Willis (3 episodes, 2008)
General Michaelson (3 episodes, 2008)
Sam Barton (2 episodes, 2008)
Lt. Amy Deacon (2 episodes, 2008)
Dr. Smithson (2 episodes, 2008)
Leila (2 episodes, 2008)
Blonde Man / Highway Patrol Officer (2 episodes, 2008)
Kyle Tobler (1 episode, 2008)
Jeff Megan (1 episode, 2008)
Suzie Travis (1 episode, 2008)
Lt. Roger Shawn (1 episode, 2008)
Lt. Lewis Crane (1 episode, 2008)
Sophie Derabond (1 episode, 2008)
Wheezer (1 episode, 2008)
Spokesperson (1 episode, 2008)
Henderson's Secretary (1 episode, 2008)
Hank Benedict (1 episode, 2008)
Colonel Scott Arnold (1 episode, 2008)
George the Guard (1 episode, 2008)
Wildfire Comms (1 episode, 2008)
Sgt. George (1 episode, 2008)
Private Brooks (1 episode, 2008)
Private Connors (1 episode, 2008)
Morgue Attendant (1 episode, 2008)
Al Ritter (1 episode, 2008)
Korean Nurse (1 episode, 2008)
Korean Major (1 episode, 2008)
Sally Conover (1 episode, 2008)
Gordo (1 episode, 2008)
Ocean Savior (1 episode, 2008)
Operative #1 (1 episode, 2008)
Operative #2 (1 episode, 2008)
Generals aide (1 episode, 2008)
Private Carson (1 episode, 2008)
Chinese Girl (uncredited) (1 episode, 2008)
Army Captain (uncredited) (1 episode, 2008)
Reporter (uncredited) (unknown episodes)
Sgt. Samuel 'Gunner' Wilson (uncredited) (unknown episodes)
Paramedic ambulance driver (uncredited) (unknown episodes)