Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Danko | 1988 | |
| Writer | Bullitt | 1968 | |
| Writer | Le 24 ore di Le Mans | 1971 | |
| Writer | Viaggio allucinante | 1966 | |
| Writer | Carmen Jones | 1954 | |
| Writer | Ricercati: ufficialmente morti | 1987 | |
| Writer | Salome | 1953 | |
| Writer | Salome | 1953 | |
| Writer | Un angelo è caduto | 1945 |