Roman PolanskiTrelkovsky / Director / Screenplay Melvyn DouglasMonsieur Zy Lila KedrovaMadame Gaderian Claude DauphinHusband at accident Gérard JugnotOffice Clerk Josiane BalaskoViviane, Office Worker Michel BlancScope's Neighbor Jean-Pierre BagotPoliceman Louba GuertchikoffWife at accident Jacky CohenStella's friend David GabisonWitness at accident Bernard-Pierre DonnadieuBar waiter Éva IonescoBettina, Madame Gaderian's daughter Dominique PoulangeSimone Choule François ViaurPolice Sergeant Albert DelpyNeighbor (uncredited) Alain SardePeeping tom (uncredited) / Associate Producer Philippe SardeMan staring at Trelkovsky in the movie theatre (uncredited) / Original Music Composer Marie-Christine DescouardOne of the women at the bar (uncredited) Roman PolanskiTrelkovsky / Director / Screenplay Hercules BellvilleExecutive Producer Andrew BraunsbergProducer Alain SardePeeping tom (uncredited) / Associate Producer Claude MoeschingArt Direction Pierre GuffroyProduction Design Albert RajauArt Direction Sven NykvistDirector Of Photography Jacques SchmidtCostume Design Didier LavergneMakeup Artist Sylvette BaudrotScript Supervisor Marc GrunebaumAssistant Director Jean-Jacques AublancSecond Assistant Director Jacques AudiardAssistant Editor Philippe SardeMan staring at Trelkovsky in the movie theatre (uncredited) / Original Music Composer Michèle BoëhmSound Editor Jean-Pierre RuhSound Mixer 
