Cast
- Jean-Pierre Marielle as Le docteur Jean Marcellin
- Pierre Vernier as Adrien Worms
- François Vincentelli as Fernand Worms
- Marcel Philippot as Le valet de chambre
- Claire Vernet as Lucie Marcellin
- Agathe Natanson as Marguerite Worms
- Fabienne Chaudat as Mlle Morot, la secrétaire
- Hélène Médigue as Juliette Lecourtois