| David e Golia | 1960 | Screenplay |
| Le sette sfide | 1961 | Screenplay |
| Les Tartares | 1961 | Screenplay |
| Le GĂ©ant de MĂ©tropolis | 1961 | Screenplay |
| Vulcan, dieu du feu | 1962 | Screenplay |
| Les nouvelles aventure d'Ali Baba | 1962 | Writer |
| Jim il primo | 1964 | Writer |
| Le Trésor de l'Atlas | 1965 | Writer |
| Trois coups de winchester pour Ringo | 1966 | Screenplay |
| Uccideva a freddo | 1967 | Screenplay |
| Una colt, in pugno al diavolo | 1967 | Screenplay |
| Goldface - Il fantastico Superman | 1967 | Screenplay |
| Radhapura – Endstation der Verdammten | 1968 | Screenplay |
| Zorro le Renard | 1968 | Writer |
| Wanted Sabata | 1970 | Screenplay |
| Inginocchiati straniero... I cadaveri non fanno ombra! | 1970 | Writer |
| Abattez Django le premier | 1971 | Screenplay |
| Sei bounty killers per una strage | 1973 | Screenplay |
| Quando i califfi avevano le corna | 1973 | Writer |
| La Possédée | 1974 | Screenplay |
| Black Emanuelle en Afrique | 1975 | Writer |
| Emanuelle nera n. 2 | 1976 | Writer |
| L'Ă©veil des sens d'Emy Wong | 1977 | Screenplay |
| I vizi morbosi di una governante | 1977 | Writer |
| SĹ“ur Emanuelle | 1977 | Writer |
| 6000 km di paura | 1978 | Writer |
| Cameriera senza... malizia | 1980 | Writer |
| Perversions très spéciales pour jeunes filles de bonne famille | 1981 | Writer |
| Dolce gola | 1981 | Writer |
| PĂ©nitencier de femmes | 1982 | Screenplay |
| Wartime | 1987 | Screenplay |
