Joe De Stefani

as Hans - Gauss' Assistant (uncredited)

as Professor Burton Lewis

as Dr. John Gaines (as Joseph Stefani)

as Jose (as Joseph De Stefani)

as High Lhama

as Hart

as Norden Servant

as German Officer

as Fisherman (uncredited)

as Manager

as Pawn Broker (uncredited)

as Dr. Stoddard