Dr. Jeremy Stone
Dr. Charles Dutton
Dr. Mark Hall
Dr. Ruth Leavitt
Karen Anson
Jackson
Major Manchek
General Sparks
Dr. Robertson
Grimes
Senator from Vermont
Lt. Shawn (Piedmont team)
Sgt. Crane (Piedmont team)
Wildfire Computer Sgt. Burk
Lt. Comroe
Toby (technician)
Clara Dutton
Air Force Major
MP Capt. Morton
Cabinet Secretary (uncredited)
Technician (uncredited)
Allison Stone (uncredited)
Medic Captain (uncredited)
Assistant to Cabinet Secretary (uncredited)
Mother - Piedmont (uncredited)
Technician (uncredited)
Bearded Surgeon (uncredited)
Sen. McKenzie (uncredited)
Pete 'Old Doughboy' Arnold (uncredited)
Operator of 'The Hand' (uncredited)
Capt. Morris (uncredited)
Technician (uncredited)
Utah Crash Site Officer (uncredited)
Dr. Benedict (uncredited)
Murray (uncredited)
Man (uncredited)
Alarm (voice) (uncredited)
Decontamination Receptionist (uncredited)