
A mad scientist attempts to rule the world by creating various elaborate inventions.
Bela LugosiDr. Alex Zorka / Dr. Zane
Robert KentCapt. Bob West
Dorothy ArnoldJean Drew
Edwin StanleyDr. Fred Mallory
Regis ToomeyLt. Jim DalyJack C. SmithMonk
Edward Van SloanJarvis
Dora ClementAnn Zorka
Anthony AverillRankinHugh HuntleyPerkinsMonte VandergriftAl
Frank MayoTrain Engineer
Jim FarleySkipper
Eddie AcuffMac
Reed HowesSignalman