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).

Genres

Cast

Florence Marly

Alien Queen

Basil Rathbone

Dr. Farraday

John Saxon

Allan Brenner

Judi Meredith

Laura James

Dennis Hopper

Paul Grant

Virgil Frye

Control Panel

Forrest J. Ackerman

Farraday's Aide