as Grippesous
as Inspecteur Legris
as Self
as Jean-Paul
as Charles
as Un chansonnier (uncredited)
as Commissioner Serval
as Auctioneer
as Totor
as Le docteur Belhomme
as Raymond Boyer / Boyeski, le père du jeune chef d’orchestre
as Inspector Henri Grandin
as Commissioner Paoli
as le professeur Théodore Heldt
as Bonneval
as Commissioner Muller
as Inspector Masurel
as Le commissaire Basquier
as Villeroy
as M. Paul
as Commissaire Lambert
as Mr. Lepic
as Mr. Edouard
as Sosthène
as Blaise Annequin
as 'La Hurlette'
as M. Arsène Marval, le chanteur âgé
as Le convive de sang-froid
as Stéphane Petitbourgeois, le mari expert-comptable
as Inspector Querneau
as Self (archive footage)
as Concierge
as Priest
as Étienne Ledru, commissaire de police
as L'inspecteur Henri Grandin
as Inspecteur principal Bourrel / Commissaire Bourrel
