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