Hélène Perdrière as Mathilde Stangerson Serge Reggiani as Joseph Rouletabille Lucien Nat as Robert Darzac Michel Piccoli as Lebel Gaston Modot as Mathieu Marcel Herrand as Larsan Arthur Devère as Père Jacques Yvette Etiévant as Une fille à la soirée chez Rouletabille