Rocketship X-M

Astronauts blast off to explore the moon on Rocketship X-M or "Rocketship eXploration Moon". A spacecraft malfunction and some fuel miscalculations cause them to end up landing on Mars. On Mars, evidence of a once powerful civilization is found. The scientists determined that an atomic war destroyed most of the Martians. Those that survived reverted to a caveman like existence.

• 
  Lloyd Bridges

  Colonel Floyd Graham
• 
  Osa Massen

  Dr. Lisa Van Horn
• 
  John Emery

  Dr. Karl Eckstrom
• 
  Noah Beery Jr.

  Major William Corrigan
• 
  Hugh O'Brian

  Harry Chamberlain
• 
  Morris Ankrum

  Dr. Ralph Fleming
• 
  Patrick Aherne

  Reporter #1
• 
  Sherry Moreland

  Martian girl
• 
  Kathy Marlowe

  Reporter
• 
  Judd Holdren

  Reporter #3 (uncredited)