A space shuttle crashes containing a lethal prototype organism designed to survive in any environment. The only people who can stop the creature are the Secretary of Defense agent and the female scientist who created it.
Mike Connors
Dr. Nancy Burnham
Keach
Sid Bream
Diane Cafferty
Simpkins
Sgt. Tulley
Alan Stanton
MP 1
MP 2
Steve Elkins
Dr. Shoup
Chelsea
General Cartwright
Chambers (Head of NASA)
Gonzales
Sheriff Morgan
Deputy Ferguson
Mr. Norton
Crewman Terrance
Crewman Miller
Local Man
Girl by Pool (uncredited)
Crewman Mitchell
