A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).
Released: 1966-03-01
Runtime: 81 minutes
Genre: Science Fiction, Horror
Stars: Florence Marly, John Saxon, Robert Boon, Virgil Frye, Basil Rathbone, Judi Meredith, Dennis Hopper, Don Eitner, Forrest J. Ackerman, Gary Crutcher