Alain DelonMr. Robert Klein / Produsent Juliet BertoJeanine, Robert's mistress Jean BouiseSeller of the painting Suzanne FlonConcierge of rue des Abbesses Massimo GirottiCharles, Florence's husband Michel AumontJew Affairs Section Official Roland BertinNewspaper Director Jean ChampionMorgue keeper Gérard JugnotPhotographer Hermine KaragheuzYoung Worker Jacques MauryProfessor Montandon Fred PersonnePolice Commissioner Francine RacetteFrançoise / Cathy / Isabelle Isabelle SadoyanExamined Woman Louis SeignerMr. Klein's Father Joseph LoseyMan at the Vel d'Hiv (uncredited) / Regissør Brigitte Ariel(uncredited) Marius Balbinot(uncredited) Maurice BaquetMusician (uncredited) Philippe Brizard(uncredited) Raymond Danon(uncredited) / Produsent Christian de TillièreAuctioneer (uncredited) Michel Delahaye(uncredited) Bernard-Pierre DonnadieuExtra (uncredited) Pierre FragGeorges, Newspaper Seller (uncredited) Mireille Franchino(uncredited) David GabisonBellboy (uncredited) Maurice JanyDriver in Ivry-la-Bataille (uncredited) Stephane QuatrehommePierre's Son (uncredited) Jean TopartSpeaker's voice (voice) (uncredited) Danielle VerneDeportee (uncredited) Thierry de Brem(uncredited) Tina AumontSpectator (uncredited) Nathalie RigauxLittle girl at the Vel d'Hiv (uncredited) Joseph LoseyMan at the Vel d'Hiv (uncredited) / Regissør Raymond Danon(uncredited) / Produsent Alain DelonMr. Robert Klein / Produsent Robert KuperbergProdusent Ralph BaumEksekutiv produsent Pierre CharronSet Decoration Alexandre TraunerArt Direction Gérard JamesSet Decoration Gerry FisherDirector Of Photography Annalisa Nasalli-RoccaCostume Design Colette BaudotCostume Design Michel DeruelleMakeup Artist Françoise AndrejkaMakeup Artist Lucie LichtigManusveileder Rémy DucheminAssisterende regissør Philippe MonnierAssisterende regissør Philippe Baronnet-FrugesAssisterende regissør Georges BacriMusic Producer Federico SavinaSound Mixer Michele LaluneGeneral Manager Dominique RigauxGeneral Manager Simone ClementProduction Secretary Gille SchneiderGeneral Manager Christine BrierrePublicist Ludmilla GoulianProduksjonsleder Nicole CateuxAdministration Fernando MorandiCo-Writer 
