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.

• Joseph F. Robertson Productions
• Rod Lauren
• Sirry Steffen
• Peter Breck
• Kent Taylor
• Alan Hale Jr.
• Ross Elliott
• Beverly Lunsford
• Allison Hayes