Vie devant soi, La (1977) [Actor .... Ramon] ... aka A Life Ahead (International: English title: literal title) ... aka Madame Rosa (USA)
Mr. Klein (1976) [Writer] (uncredited) ... aka Mr. Klein (UK) (USA) ... aka Chi è Mr. Klein? (Italy) ... aka Monsieur Klein (France: DVD title) ... aka Mr Klein (USA: video title)
Section spéciale (1975) [Director] [Writer] (writer) [Actor .... Un milicien] (uncredited) ... aka Affare della sezione speciale, L' (Italy) ... aka Sondertribunal - Jeder kämpft für sich allein (West Germany) ... aka Special Section
État de siège (1972) [Director] [Writer] (screenplay) ... aka Amerikano, L' (Italy) ... aka State of Siege ... aka Unsichtbare Aufstand, Der (West Germany)
Aveu, L' (1970) [Director] ... aka The Confession (UK) (USA) ... aka Confessione, La (Italy)
Un homme de trop (1967) [Director] [Writer] (writer) [producer] ... aka 13º uomo, Il (Italy) ... aka Shock Troops
Compartiment tueurs (1965) [Director] [Writer] (writer) ... aka The Sleeping Car Murder ... aka The Sleeping Car Murders
Échappement libre (1964) [assistant director] ... aka A escape libre (Spain) ... aka Backfire (USA) ... aka Boß hat sich was ausgedacht, Der (West Germany) ... aka Scappamento aperto (Italy)
Félins, Les (1964) [assistant director] ... aka Joy House (USA) ... aka The Love Cage (UK)
Jour et l'heure, Le (1963) [assistant director] ... aka Giorno e l'ora, Il (Italy) ... aka The Day and the Hour (USA) ... aka Today We Live
Baie des anges, La (1963) [assistant director] (as Costa Gavras) ... aka Bay of Angels (UK) ... aka Bay of the Angels (USA)
Un singe en hiver (1962) [assistant director] ... aka A Monkey in Winter (USA) ... aka It's Hot in Hell (UK)
Crésus (1960) [assistant director] ... aka Croesus (International: English title)