Louis Jouvet as Ismmora / Dupon / Duke of Niolles / Mover / Norwegian

Suzy Delair as Coraline, Ismora's mistress

Annette Poivre as Charlotte Bonheur, typist, colleague of Gabriel

Jean-Jacques Delbo as Oscar, Ismora's accomplices

Jean Carmet as Ismora's accomplices

Jane Marken as Concierge

Georges Pally as Inspector Laprune

Robert Seller as Investigating judge

Henri Charrett as Mr. Charles Rodebois, buyer of the castle

Fernand Rauzéna as Mr. Peroni, button buyer

Gaston Dupray as Mr. Touzat, Gabriel's boss

Jean Morel as Mr. Sorbier, jeweler

Philippe Olive as Receptionist at the Malridge hotel

Léo Lapara as André, Ismora's accomplices

Raoul Marco as Inspector

Jean Diéner as Castle guardian

Madeleine Suffel as Mrs. Charles

George Cusin as Mr. Pauzat

Jean Poc as Academician

Danièle Franconville as Client of Ismora (uncredited)

Colette Georges as Hotel florist (uncredited)

Paule Launay as (uncredited)

Louis Vonelly as (uncredited)

Marina as Dancer of the 'Feu de Bengale' (uncredited)