Charles DennerHenri Landru Michèle MorganMme Buisson Danielle DarrieuxMme Héon Hildegard KnefGerman Widow Juliette MaynielMme Collomb Stéphane AudranFernande Segret Catherine RouvelMlle Babeley Françoise LugagneCatherine Landru Denise ProvenceMme Lacoste Serge BentoMaurice Landru Claude MansardLandru's Attorney Robert BurnierCourt President Mario DavidAdvocate General Jean-Louis MauryCommissaire Belin Diane LepvrierSuzanne Landru Raymond QueneauGeorges Clemenceau Jean-Pierre MelvilleClemenceau's Aide Françoise SaganScreenplay Georges de BeauregardProducer Jacques SaulnierProduction Design Georges HoussayeSet Decoration Jean RabierDirector Of Photography Maurice AlbrayCostume Designer Louis BonnemaisonMakeup Artist Claude LaporteAssistant Director Francis CognanyAssistant Director Suzon FayeScript Supervisor Jean GrouetAssistant Director Charles L. BitschAssistant Director Monique GaillardAssistant Editor Pierre JansenOriginal Music Composer Julien CoutellierSound Engineer Victor RevelliBoom Operator Paul DurandSound Recordist Roger ScipionProduction Manager Clément OllierProduction Manager Bruna DrigoProduction Director 
