When a couple are killed in an auto accident their bodies are immediately inhabited by extraterrestrial beings. Taking refuge in an underground cave, the aliens attempt to sabotage the U.S. space program.
Tom Wright
Sally Markham
Hauron
Nadja
Dr. Heinrich von Hofften
Maj. Gen. Hollister
Bob Harding
Shirley
Chief Deputy
Elmer Wesson
Dr. Meister
Police Dispatcher
Deputy Moss
Hollister's Aide
Second Deputy
Woman Scientist
Newsboy
Corporal Wilson
