Louis Jouvet
Ismmora / Dupon / Duke of Niolles / Mover / Norwegian
Suzy Delair
Coraline, Ismora's mistress
Annette Poivre
Charlotte Bonheur, typist, colleague of Gabriel
Jean-Jacques Delbo
Oscar, Ismora's accomplices
Jean Carmet
Ismora's accomplices
Jane Marken
Concierge
Georges Pally
Inspector Laprune
Robert Seller
Investigating judge
Henri Charrett
Mr. Charles Rodebois, buyer of the castle
Fernand Rauzéna
Mr. Peroni, button buyer
Gaston Dupray
Mr. Touzat, Gabriel's boss
Jean Morel
Mr. Sorbier, jeweler
Philippe Olive
Receptionist at the Malridge hotel
Léo Lapara
André, Ismora's accomplices
Raoul Marco
Inspector
Jean Diéner
Castle guardian
Madeleine Suffel
Mrs. Charles
George Cusin
Mr. Pauzat
Jean Poc
Academician
Danièle Franconville
Client of Ismora (uncredited)
Colette Georges
Hotel florist (uncredited)
Paule Launay
(uncredited)
Louis Vonelly
(uncredited)