| 1983 | Hanna K. | Writer |
| 1976 | Mr. Klein | Screenplay |
| 1975 | Il sospetto | Screenplay |
| 1972 | État de siège | Writer |
| État de siège | Scenario Writer | |
| L'Assassinat de Trotsky | Screenplay | |
| 1969 | Queimada | Story |
| Queimada | Screenplay | |
| Tepepa | Screenplay | |
| 1968 | Il mercenario | Story |
| 1967 | La resa dei conti | Story |
| Quién sabe? | Adaptation | |
| Quién sabe? | Writer | |
| 1966 | La battaglia di Algeri | Writer |
| 1965 | Le soldatesse | Writer |
| 1962 | Una vita violenta | Screenplay |
| Salvatore Giuliano | Story | |
| Salvatore Giuliano | Screenplay | |
| 1961 | Madame Sans-Gêne | Novel |
| Madame Sans-Gêne | Screenplay | |
| Vanina Vanini | Writer | |
| 1960 | Kapò | Screenplay |
| 1957 | La ragazza del palio | Co-Writer |
| La grande strada azzurra | Novel | |
| La grande strada azzurra | Screenplay | |
| I fidanzati della morte | Writer | |
| Die Windrose | Screenplay | |
| 1955 | La donna più bella del mondo | Screenplay |
| Giovanna | Writer | |
| 1954 | Di qua, di là del Piave | Screenplay |
| 1951 | Persiane chiuse | Screenplay |
| Persiane chiuse | Story |