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.
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.
Richard Bailey , Linda Stirling , Roy Barcroft
Fred A. Ritter
Republic Pictures ,
as Lance Reardon
as Claire Forrest
