Brad Crane
Capt. Helena Anderson
Gen. Thaddeus Slater
Dr. Hubbard
Maureen Schuester
Felix
Anne MacGregor
Dr. Andrews
Rita
Jud Hawkins
Maj. Baker
Maj. Clarance Tuttle
Dr. Walter Krim
Gen. Thompson
Paul Durant
Dr. Newman
Dr. Martinez
Pete Harris
Woman Scientist
Mrs. Durant
Mr. Durant
Duty Officer
Sheriff Morrison
Cameraman
Hal
Eddie
Receptionist / Nurse
Nurse
Radioman
Secretary
Bee Boy
Radarman
Lieutenant
Officer #2
Radarman #2
Nurse
Sergeant
Radio Sergeant
Launching Officer
Pilot #1
Mechanic
Doctor
Self
Captain
Engineer
Standby Engineer
Chemical Warfare Guard
Radio Announcer
Airman #1
Airman #2
Briefing Guest (uncredited)
Dr. Moore (uncredited)
Train Passenger (uncredited)
Townsman (uncredited)
Burning Man (uncredited)
Train Passenger (uncredited)
Colonel's Son (uncredited)
Briefing Guest (uncredited)
Wild Lines (uncredited)
Briefing Guest (uncredited)
Briefing Guest (uncredited)