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.
Scott Peters
as Tom Wright
Linda Connell
as Sally Markham
Jason Johnson
as Hauron
Katherine Victor
as Nadja
Billy Greene
as Dr. Heinrich von Hofften
Chuck Howard
as Maj. Gen. Hollister
Gary Travis
as Bob Harding
Thelaine Williams
as Shirley
Lyle Felisse
as Chief Deputy
Brian F. Ward
as Elmer Wesson
Joe Chester
as Dr. Meister
Flori Jo Johnson
as Police Dispatcher
