| I contrabbandieri del mare | 1949 | Writer |
| La peccatrice dell'isola | 1952 | Screenplay |
| Le fils de Spartacus | 1962 | Screenplay |
| Les canons de San Antioco | 1963 | Screenplay |
| Brenno le tyran | 1963 | Writer |
| Les Révoltés de Tolède | 1963 | Writer |
| LiolĂ | 1964 | Writer |
| Le Justicier du Minnesota | 1964 | Screenplay |
| Berlino - Appuntamento per le spie | 1965 | Writer |
| L'uomo che viene da Canyon City | 1965 | Writer |
| Ringo Au Pistolet D'Or | 1966 | Screenplay |
| La battaglia dei Mods | 1966 | Screenplay |
| Mon nom est Pecos | 1966 | Writer |
| Repos - Tue et fais ta prière | 1967 | Screenplay |
| PĂ©cos tire ou meurt | 1967 | Screenplay |
| Il cobra | 1967 | Screenplay |
| Con lui cavalca la morte | 1967 | Screenplay |
| El ''Che'' Guevara | 1968 | Writer |
| La Battaglia del Sinai | 1968 | Screenplay |
| Un trou dans le front | 1968 | Screenplay |
| L'enfer des Philippines | 1969 | Writer |
| La battaglia del Sinai | 1969 | Writer |
| Quarta parete | 1969 | Screenplay |
| Quel maledetto ponte sull'Elba | 1969 | Writer |
| Appuntamento col disonore | 1970 | Writer |
| Il tredicesimo è sempre Giuda | 1971 | Screenplay |
| L'uomo dagli occhi di ghiaccio | 1971 | Writer |
| Priez Les Morts, Tuez Les Vivants | 1971 | Writer |
| Un uomo dalla pelle dura | 1972 | Writer |
| Trinità e Sartana figli di… | 1972 | Screenplay |
| Ton Vice est une chambre close dont moi seul ai la clé | 1972 | Screenplay |
| Far West Story | 1972 | Screenplay |
| Così Sia | 1972 | Writer |
| Dernier Appel | 1972 | Writer |
| Alleluja e Sartana figli di... Dio | 1972 | Writer |
| Le Conseiller | 1973 | Screenplay |
| Le Baiser d'une Morte | 1974 | Screenplay |
| Squadra volante | 1974 | Screenplay |
| Fatevi vivi, la polizia non interverrĂ | 1974 | Writer |
| Un flic voit rouge | 1975 | Writer |
| Les Magiciens | 1975 | Screenplay |
| Il vizio ha le calze nere | 1975 | Screenplay |
| Puttana galera! | 1977 | Writer |
| Pied-plat - Inspecteur Bulldozer | 1978 | Screenplay |
| Sella d'argento | 1978 | Screenplay |
| La mujer de la tierra caliente | 1978 | Writer |
| L'Humanoide | 1979 | Writer |
| Pied-Plat sur le Nil | 1980 | Screenplay |
| Beyond Justice | 1992 | Screenplay |
| L'ombre du pharaon | 1996 | Writer |
