Characters played by Jules Berry
Hector Trignol
Characters played by Michel Simon
Achille Baluchet
Characters played by Marie Glory
Marie 'Myra' Dupont
Characters played by Fernande Albany
Olga Stefany
Characters played by Gaston Mauger
Le directeur du théâtre
Characters played by Gabrielle Fontan
La concierge
Characters played by Paul Gury
Ivan
Characters played by Claire Gérard
Madame Irma
Characters played by Paul Faivre
Le gardien
Characters played by Jean Diéner
(as Diener)
Characters played by Hugues de Bagratide
Le juge d'instruction
Characters played by Georges Paulais
Un policier
Characters played by Pierre Mindaist
(as Mindaist)
Characters played by Marcel Vibert
L'avocat
Characters played by Eddy Debray
La médecin aliéniste
Characters played by Pierre Ferval
Un inspecteur de police
Characters played by Robert Ozanne
Le reporter
Characters played by André Siméon
Un agent