as Stanton Muir

as Baron de Neuve

as Saint-Palmier

as President

as Willy Ferrière

as Grigou

as Officer

as Friedrich, le chef de la police

as Sir William Dewitt

as Le directeur de l'hôtel

as Basil Lescoe

as Gabriel Lestrange

as Hippolyte Vabre, the father, owner of the building

as Prinz Diebenstein

as Brown-Duvant

as Graf Hoyos

as Le père d'Amélie

as Buguelle

as Mirgaudon

as Lacour

as De Winter

as Monsieur Bourcart

as Professor Nebenkrug

as Lucien Vigneret

as Baron von Mallock

as Stephany, le financier

as Superintendent

as Baron Harvey

as Le Duc

as J.B. Albey

as Jean-Elie

as Director

as Larsac

as l'inspecteur David

as The Grand Duke

as Corvel