The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Robert E. Kent Productions, United Artists
Sherlock Holmes and the Voice of Terror
Conquest
Werewolf of London
Journey to the Seventh Planet
Mutilations
Miami Golem
The Face of Another
Return of the Ape Man
Startime: The Turn of the Screw
The Terror Within