After an astronaut space capsule is detonated in orbit, with the astronaut begging to be killed, a teenager couple finds a severed arm on a remote beach. The boy takes the arm home, where it becomes animate and the alien force which animates it soon possesses his mind as well.
Rod Lauren
as Paul Lawrence
Sirry Steffen
as Marta Farnstrom
Peter Breck
as Steve Curan
Kent Taylor
as Dr. Max Weitzberg
Alan Hale Jr.
as Sheriff Townsend
Ross Elliott
as Deputy Earl Harrison
Beverly Lunsford
as Patsy Townsend
Allison Hayes
as Donna
Ed Werner
as Prof. Farnstrom
Arline Judge
as Mrs. Hotchkiss
Richard Arlen
as Lee Barrenger
Syd Saylor
as Soda Shop Owner
