Spy Smasher

Kane Richmond

Alan Armstrong / Jack Armstrong

Marguerite Chapman

Eve Corby

Sam Flint

Admiral Corby

Hans Schumm

The Mask

Tristram Coffin

Drake

Franco Corsaro

Captain Pierre Durand

Hans von Morhart

Captain Gerhardt

Georges Renavent

Governor LeComte

Rudolph Anders

Col. Von Kohr

Henry Zynda

Ritter Lazar

Paul Bryar

Lawlor

Tom London

Crane

Richard Bond

Hayes

Crane Whitley

Hauser

John James

Steve

Dudley Dickerson

Train Porter (uncredited)

William Forrest

Thornton (uncredited)

Yakima Canutt

Armored Car Driver (uncredited)

Arvon Dale

Thornton (uncredited)