Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Giungla d'asfalto | 1950 | |
| Writer | Johnny Guitar | 1954 | |
| Writer | Gli inesorabili | 1960 | |
| Writer | La via del West | 1967 | |
| Writer | Il segreto di Santa Vittoria | 1969 | |
| Writer | Assassino per contratto | 1958 | |
| Writer | Per te ho ucciso | 1948 | |
| Writer | The Mephisto Waltz | 1971 |