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.
Kane Richmond
as Alan Armstrong / Jack Armstrong
Marguerite Chapman
as Eve Corby
Sam Flint
as Admiral Corby
Hans Schumm
as The Mask
Tris Coffin
as Drake
Franco Corsaro
as Captain Pierre Durand
Hans von Morhart
as Captain Gerhardt
Georges Renavent
as Governor LeComte
Rudolph Anders
as Col. Von Kohr
Henry Zynda
as Ritter Lazar
Paul Bryar
as Lawlor
Tom London
as Crane
