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.
Spencer Gordon Bennet | Director |
Yakima Canutt | Director |
Wallace Grissell | Director |
Albert DeMond | Screenplay |
Basil Dickey | Screenplay |
Jesse Duffy | Screenplay |
Alan James | Screenplay |
Grant Nelson | Screenplay |
Joseph F. Poland | Screenplay |
Ronald Davidson | Producer |