Casts
Serge Reggiani
as Joseph Rouletabille
Pierre Renoir
as Professeur Stangerson
Janine Darcey
as Sylvie
Arthur Devère
as Father Jacques
Marcel Herrand
as Larsan / Ballmeyer
Gaston Modot
as Arthur
Lucien Nat
as Robert Darzac
Hélène Perdrière
as Mathilde Stangerson
Robert Le Fort
as Secretary
Madeleine Barbulée
as Chambermaid
