Jean Debucourt
Inspector Chambon
Michel Simon
Doctor Michel Ancelin
Jany Holt
Madeleine Bodin
Ariane Murator
Madame Bastard, mother of the sick girl
Georges Brehat
Aubignac
Robert Dalban
Gustave, boss of the café
Jean Wall
Doctor Dumont
Henri Charrett
Inspector Noël
Pierre Juvenet
Gillois, notary
François Joux
Lieutenant Louvet
Charles Vissières
Antique dealer
Jean Brunel
Rifardont
André Darnay
Maître Corneau
Emile Chopitel
Tournier
Christiane Delacroix
Gustave's wife
Max Tréjean
Jean Sylvère
Friend of Doctor Ancelin (uncredited)