Kane Richmond
Alan Armstrong / Spy Smasher / Jack Armstrong
Acting
Marguerite Chapman
Eve Corby
Acting
Sam Flint
Admiral Corby
Acting
Hans Schumm
The Mask
Acting
Franco Corso
Capt. Pierre Durand
Acting
Hans von Morhart
Capt. Gerhardt
Acting
Georges Renavent
Gov. LeConte
Acting
Rudolph Anders
Col. Von Kahr
Acting
Henry Zynda
Ritter Lazar
Acting
Paul Bryar
Lawlor
Acting
Tom London
Crane
Acting
Richard Bond
Hayes
Acting
Crane Whitley
Dr. Hauser
Acting
John James
Steve
Acting
Frank Alten
Storm Trooper Captain (uncredited)
Acting
Dudley Dickerson
Train Porter (uncredited)
Acting
Yakima Canutt
Armored Car Driver (uncredited)
Acting
William Forrest
Gerald Douglas (uncredited)
Acting
Arvon Dale
Thornton (uncredited)
Acting