Robot Monster

Ro-Man, an alien robot who greatly resembles a gorilla in a diving helmet, is sent to earth to destroy all human life. Ro-Man falls in love with one of the last six remaining humans, and struggles to understand how his programming can instruct him to kill her while his heart demands that he can't.

• 
  George Nader

  Roy
• 
  Claudia Barrett

  Alice
• 
  Gregory Moffett

  Johnny
• 
  John Mylong

  The Professor
• 
  Selena Royle

  Mother
• 
  George Barrows

  Ro-Man the Monster / Great Guidance
• 
  John Brown

  Ro-Man / Great Guidance (voice)