
A young astrophysicist searches for sinister extraterrestrials looking for sanctuary for their comrades by possessing the bodies of humans.

as Dr. Scott Dryden

as Leonard Nero

as Gwendolyn O'Brien

as Joyce Cummings

as Timmy Garner

as Harve Nelson

as Sue Garner

as Eldon Gates

as Russ Garner

as Chuck Polcheck

as Lt. Col. John Sebastian

as Bert Fowler

as Patrolman Ashley

as Frank Foley

as Patrolman Strong

as Dr. Conley

as Technician

as Intern

as Teacher

as Waitress

as Floyd

as Girl Student

as Waiter

as Security Guard

as Orderly

as Professor Reeve (uncredited)