Commander Jack Rankin
Dr. Lisa Benson
Commander Vince Elliott
General Jonathan B. Thompson
Dr. Hans Halvorsen
Lt. Curtis
Capt. Martin
Cordier
Lt. Morris, Rocket Pilot
Technician
Nurse
Michaels
Rocket Pilot
Doctor
Lt. Scott, Rocket Pilot
Sergeant (uncredited)
Secretary (uncredited)
Technician (uncredited)
Patient (uncredited)
Soldier (uncredited)
Alien creature (uncredited)
Nurse (uncredited)
(voice) (uncredited)
Ferguson (uncredited)
Officer (uncredited)
Barnett (uncredited)
