The revelation shocker of things to come!

The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.

---

Main Cast: Marshall Thompson, Shirley Patterson, Kim Spalding, Ann Doran, Dabbs Greer, Paul Langton, Robert Bice, Richard Benedict, Richard Hervey, Thom Carney

Director: Edward L. Cahn

Writer: Jerome Bixby

Editor:

Cinematographer: Kenneth Peach

---

Popular Double Features