Ivan Desny

as Karl Oswald

as Prince Paul von Haraldberg

as Leutnant James

as Wittich

as Col. Calleja

as Industrialist

as Bernardo 'Nardo' Rusconi

as Victor

as Paul

as Dimitri

as Jeweller

as Count Josef Hoyos

as Emile L'Angelier

as Chief Inspector Louis Roccaglio

as General Stürmer

as Gérard Durieu

as Rudolph Hunschak

as L'oncle

as Gerhard Schmidhuber

as De Fourcheville