Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The Mask.
Alan Armstrong / Jack Armstrong
Eve Corby
Admiral Corby
The Mask
Drake
Captain Pierre Durand
Captain Gerhardt
Governor LeComte
Col. Von Kohr
Ritter Lazar
Lawlor
Crane
Hayes
Hauser
Steve
Train Porter (uncredited)
Thornton (uncredited)
Armored Car Driver (uncredited)
Thornton (uncredited)
