Mireille Balin

Bella Score

Raymond Rouleau

Clarence

Pierre Renoir

Rudy Score

Noël Roquevert

Inspector Gonzalès

Catherine Cayret

Pearls

Gaston Modot

Toni Amanito

Roger Blin

Aspirant

Clément Duhour

Setton

Maurice Baquet

Mickey

Jean Debucourt

Thomas

Georges Rollin

Montès

Jean Didier

Leader of the aspirants

Eddy Debray

Jeweler

Maxime Fabert

Suspicious jeweler

Christian Argentin

Hotel manager

René Stern

Roberto

Henry Darbray

Inspector

François Joux

Chauffeur

Guy Denancy

Aspirant

Georges Simmler

Pierre Dargout

Guy Decomble

Aspirant

Jacques Meyran

Bartender at Babylonia

Nathalie Alexeeff

(uncredited)

Maurice Aubergé

Wallace (uncredited)

Jacques Beauvais

Inspector (uncredited)

Jacques Courtin

Receptionist (uncredited)

Maurice Devienne

(uncredited)

Maurice Marceau

Journalist (uncredited)

Franck Maurice

(uncredited)

Maurice Salabert

Policeman (uncredited)