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)
