En time før midnat Skuespillere og folkene bag
Louis JouvetInspector Carel Madeleine RobinsonLucienne Lusigny Léo LaparaInspector Perpignan Marianne HardyMarie-Louise Paul BargeForensic doctor Charles BayardGunsmith (uncredited) Anne CampionTonia (uncredited) Maurice ChevitEmployee with the fingerprints (uncredited) Janine ClairvilleModeler (uncredited) Jacques DenoëlJoi (uncredited) Guy FavièresBargeman (uncredited) Gisèle François(uncredited) Josette Hanson(uncredited) Nicole JonescoApprentice (uncredited) Jacqueline Mansard(uncredited) Jacqueline PierreuxMarceline (uncredited) Guy Saint-Clair(uncredited) Sylvie Serliac(uncredited) Germaine StainvalConcierge (uncredited) Jean SylvèreTramp (uncredited) Constance Thierry(uncredited) Henri DecoinInstruktør / Adaptation Emile AlexProduction Design Maurice JumeauSet Decoration Camille DemangeatAssistant Production Design Nicolas HayerDirector Of Photography Jacques FathCostume Design Serge GleboffMakeup Artist F. ColinAssisterende instruktør Wladimir RoitfeldAssisterende instruktør Henri SauguetKomponist af original musik Pierre-André BertrandSound Recordist Jacques CarrèreSound Recordist William Robert SivelSound Engineer Constantin GeftmanProduktionsleder A. LaurierUnit Production Manager 
