Alan Armstrong / Spy Smasher / Jack Armstrong

Eve Corby

Admiral Corby

The Mask

Capt. Pierre Durand

Capt. Gerhardt

Gov. LeConte

Col. Von Kahr

Ritter Lazar

Lawlor

Crane

Hayes

Dr. Hauser

Steve

Storm Trooper Captain (uncredited)

Train Porter (uncredited)

Armored Car Driver (uncredited)

Gerald Douglas (uncredited)

Thornton (uncredited)