A spaceship is sent to Mars after a 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. Florence Marly, Basil Rathbone, John Saxon, Judi Meredith, Dennis Hopper, Robert Boon, Don Eitner Added on Amazon Prime 2023-03-30. Youtube Trailer