Sig Ruman

as Professor Winterhalter

as German Guard

as Baron Elston Carteblanche

as Manager

as W. Kranz

as Landlord (uncredited)

as Sgt. Johann Sebastian Schulz

as Burgomeister Hussman

as Louis Bouriette

as Preuss

as Col. Ehrhardt

as Comrade Iranoff

as Dutchy

as Sergeant Pellerin

as Dr. Leopold X. Steinberg

as Police Captain

as Gottlieb