cast
-
Pierre Fresnay
Professor Louis Delage
-
Renée Devillers
Florence Delage
- Claire Duhamel Catherine Delage
-
Marcel André
Doctor Charles Tannard
-
Nadine Alari
Yvette
-
Roland Alexandre
Jacques Brulages
-
Pierre Destailles
Gaston Berval
- Michel Vadet Doctor Larmy
- Christiane Barry Jacqueline
-
Georgette Anys
Mrs. Berval
-
Philippe Mareuil
Georges
-
Jean-Claude Pascal
Marcillac
-
Maurice Ronet
François
-
Claude Nicot
Barby
-
Madeleine Barbulée
Marie-Laure
-
Robert Moor
Professor Peccavi
-
Ky Duyen
Chang, butler
-
Émile Genevois
Gaston's friend
- Raymond Galle Doctor
- Bernard Hubrenne Student
- Catherine Romane Paulette
- Georgette Talazac Nurse
- Claire Muriel Patient
-
Christian Fourcade
Émile
- Serge Lecointe Young Albert
-
Elisa Lamotte
Lady of Orléans
- Marguerite Garcya Mrs. Martin
- Tania Soucault Jacky
-
Judith Magre
- Perrette Darbon
-
Bernard Musson
Assistant to Doctor Delage (uncredited)
-
Julien Maffre
Patient (uncredited)
-
Jacques Monod
Gendarme (uncredited)
-
Dominique Marcas
(uncredited)
-
Frédérique Hébrard
(uncredited)
- Nadine Bellaigue (uncredited)
- Anne Béranger (uncredited)
- Henri Doublier (uncredited)
- Maguy Horiot (uncredited)
- Alain Raffael (uncredited)
- Joëlle Robin (uncredited)
- Jean Thielment (uncredited)