L'inspecteur Wenceslas Wens
Mila Malou - la maîtresse tapageuse de Wens
Triquet, aka professeur Lalah-Poor
Monsieur Colin
Docteur Théodore Linz
Alfred, l'ivrogne
Kid Robert
Armand, le valet de chambre (as Natol)
Mademoiselle Vania
Madame Point
Mademoiselle Cuq
Christiane Perret, la poule
Commissaire Monnet
L'agent Pussot (as Gabriello)
Jean-Baptiste Turlot (as Bussières)
Albert, le ministre de l'Intérieur (uncredited)
Le garçon de café (uncredited)
L'impresario (uncredited)
Picard (uncredited)
Edouard, le préfet de police (uncredited)
(uncredited)
Le directeur de la P. J. (uncredited)
Le patron du bistrot (uncredited)
Le chauffeur de taxi (uncredited)
Le type du café (uncredited)
L'inspecteur Ballandieu (uncredited)
Le caissier (uncredited)
Un agent (uncredited)
Le journaliste Bob Destirac (uncredited)
Juliette (uncredited)
Le brigadier (uncredited)