| Don Bosco | 1935 | Writer |
| Pietro Micca | 1938 | Writer |
| Lotte nell'ombra | 1939 | Screenplay |
| Traversata nera | 1939 | Screenplay |
| Cose dell'altro mondo | 1939 | Screenplay |
| La notte delle beffe | 1939 | Screenplay |
| L'ultimo ballo | 1941 | Screenplay |
| Gioco pericoloso | 1942 | Screenplay |
| Don CĂ©sar de Bazan | 1942 | Screenplay |
| Gli ultimi filibustieri | 1943 | Writer |
| Harlem | 1943 | Screenplay |
| Il figlio del corsaro rosso | 1943 | Writer |
| T'amerò sempre | 1943 | Screenplay |
| Addio, amore! | 1943 | Screenplay |
| Il cappello da prete | 1944 | Screenplay |
| Rome, ville ouverte | 1945 | Screenplay |
| SciusciĂ | 1946 | Screenplay |
| PaĂŻsa | 1946 | Screenplay |
| Cronaca nera | 1947 | Screenplay |
| FatalitĂ | 1947 | Screenplay |
| Sous le soleil de Rome | 1948 | Screenplay |
| Allemagne année zéro | 1948 | Writer |
| Les années difficiles | 1948 | Screenplay |
| Patto col diavolo | 1950 | Writer |
| Stromboli | 1950 | Screenplay |
| Dimanche d'août | 1950 | Producer |
| Dans les coulisses | 1950 | Screenplay |
| Paris est toujours Paris | 1951 | Screenplay |
| Le ragazze di Piazza di Spagna | 1952 | Screenplay |
| La Machine à tuer les méchants | 1952 | Screenplay |
| Anni facili | 1953 | Screenplay |
| Chronique des pauvres amants | 1954 | Screenplay |
| Terza liceo | 1954 | Screenplay |
| La Peur | 1954 | Writer |
| Le signorine dello 04 | 1955 | Screenplay |
| Racconti romani | 1955 | Screenplay |
| Le bigame | 1956 | Screenplay |
| Una pelliccia di visone | 1956 | Screenplay |
| Peccato di castitĂ | 1956 | Screenplay |
| Il momento piĂą bello | 1957 | Screenplay |
| Femmes d'un été | 1958 | Screenplay |
| Le Général Della Rovere | 1959 | Screenplay |
| Les Évadés de la nuit | 1960 | Screenplay |
| Vive l'Italie | 1961 | Screenplay |
| LiolĂ | 1964 | Writer |
| La vita agra | 1964 | Screenplay |
| La fuga | 1965 | Screenplay |
| Fumo di Londra | 1966 | Screenplay |
| Scusi, lei è favorevole o contrario? | 1966 | Screenplay |
| Cinq gars pour Singapour | 1967 | Writer |
| Colpo di sole | 1968 | Writer |
| Il medico della mutua | 1968 | Screenplay |
| Il Prof. Dott. Guido Tersilli primario della Clinica Villa Celeste convenzionata con la Mutua | 1969 | Screenplay |
| Il presidente del Borgorosso Football Club | 1970 | Screenplay |
| DĂ©tenu en attente de jugement | 1971 | Screenplay |
| La Plus Belle Soirée de ma vie | 1972 | Writer |
| Anastasia mio fratello ovvero il presunto capo dell'Anonima Assassini | 1973 | Writer |
| Un bourgeois tout petit, petit | 1977 | Screenplay |
| Le TĂ©moin | 1978 | Writer |
| Conte de la folie ordinaire | 1981 | Writer |
| La Nuit de Varennes | 1982 | Writer |
