Zombies of the Stratosphere (1952)
Director: Fred C. Brannon
Cast: Judd Holdren - Aline Towne Wilson Wood - Lane Bradford Stanley Waxman - John Crawford Craig Kelly - Ray Boyle Leonard Nimoy - Jack Harden
When Martians come to Earth with a dastardly plan to blast the entire planet from its orbit, so that it can replaced by Mars its up to Security Agent Larry Martian to save the day.
Originally scripted as a sequel to the Commander Cody serial "Radar Men from the Moon" the hero was renamed to not interfere with the planned Commander Cody Television show. Also notable for an early screen appearance of Leonard Nimoy as a villainous Martian.
Twelve Chapters on two DVD