Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

• DirectorWallace Grissell
• Release17 March 1945
• Genre
  Action / Science Fiction
• Duration3h 39m
• Budget$168,000
• Revenue?
• Rate
  

  4.3
  3 reviews
• Productions

  Republic Pictures