Kent Taylor

as Jack Clark

Dona Drake

as Elena Valdez

Tala Birell

as Sonia Bardos

Leonard Strong

as Bandit Chieftain

Konstantin Shayne

as Professor Jan Schuyler

Robert Barrat

as Hendrick Van Boyden (as Robert H. Barrat)

Rex Evans

as Lance Warburton

Rudolph Anders

as Rudolph Busch

Otto Reichow

as Nils Otter

Franco Corsaro

as Alfredo Charles

Henry Rowland

as Leo Turkan

Victor Sen Yung

as Lin Chow