Pierre Fresnay as Commissaire Wens

Michèle Alfa as Lolita Gernicot

Suzy Delair as Mila Malou

Jean Tissier as Henri Tignol

Jean Chevrier as Perlonjour

Lucien Nat as Gernicot

André Luguet as Henri Senterre

Georges Rollin as Gribbe

Raymond Segard as Namotte

Odette Barencey as Pâquerette

Henri Bargin as Un homme

Jacques Beauvais as Le maître d'hôtel

Rivers Cadet as Un inspecteur

Martine Carol as Une femme

Paul Demange as Fabien

Pierre Labry as L'inspecteur Picard

Roger Legris as Le photographe

Albert Malbert as Le patron du garni

Marcel Maupi as Le régisseur

Robert Ozanne as L'inspecteur Dallandier

Maurice Salabert as Un inspecteur

Jean-Jacques Steen as

Simone Valère as

Robert Vattier as L'administrateur

Charles Vissières as Le concierge

Frank Villard as Un homme