Kane Richmond

Character: Alan Armstrong / Spy Smasher / Jack Armstrong

Marguerite Chapman

Character: Eve Corby

Sam Flint

Character: Admiral Corby

Hans Schumm

Character: The Mask

Franco Corso

Character: Capt. Pierre Durand

Hans von Morhart

Character: Capt. Gerhardt

Georges Renavent

Character: Gov. LeConte

Rudolph Anders

Character: Col. Von Kahr

Henry Zynda

Character: Ritter Lazar

Paul Bryar

Character: Lawlor

Tom London

Character: Crane

Richard Bond

Character: Hayes

Crane Whitley

Character: Dr. Hauser

John James

Character: Steve

Frank Alten

Character: Storm Trooper Captain (uncredited)

Dudley Dickerson

Character: Train Porter (uncredited)

Yakima Canutt

Character: Armored Car Driver (uncredited)

William Forrest

Character: Gerald Douglas (uncredited)

Arvon Dale

Character: Thornton (uncredited)