| Pian delle stelle | 1946 | Writer |
| Tombolo, paradiso nero | 1947 | Screenplay |
| Vivere a sbafo | 1950 | Writer |
| Ombre sul Canal Grande | 1951 | Writer |
| Achtung! Banditi! | 1951 | Screenplay |
| Anna | 1951 | Screenplay |
| Roma, ore 11 | 1952 | Screenplay |
| Solo per te Lucia | 1952 | Writer |
| Villa Borghese | 1953 | Screenplay |
| Di qua, di là del Piave | 1954 | Screenplay |
| Amours d'une moitié de siècle | 1954 | Screenplay |
| La Pensionnaire | 1954 | Screenplay |
| Camilla | 1954 | Screenplay |
| Il seduttore | 1954 | Screenplay |
| Totò e Carolina | 1955 | Screenplay |
| Un héros de notre temps | 1955 | Screenplay |
| Les Week-ends de Néron | 1956 | Screenplay |
| Il marito | 1958 | Screenplay |
| Domenica è sempre domenica | 1958 | Screenplay |
| Femmes d'un été | 1958 | Screenplay |
| Costa Azzurra | 1959 | Screenplay |
| Vacanze d'inverno | 1959 | Screenplay |
| Le Moraliste | 1959 | Screenplay |
| Le Veuf | 1959 | Screenplay |
| Gastone | 1960 | Screenplay |
| L'Agent | 1960 | Screenplay |
| Chacun son alibi | 1960 | Screenplay |
| Le svedesi | 1960 | Writer |
| Scano Boa | 1961 | Writer |
| Une vie difficile | 1961 | Screenplay |
| L'Amour à la suédoise | 1963 | Screenplay |
| Il comandante | 1963 | Screenplay |
| La mia signora | 1964 | Screenplay |
| La soucoupe volante | 1964 | Screenplay |
| Les Poupées | 1965 | Screenplay |
| Les Trois Visages | 1965 | Writer |
| Les Complexés | 1965 | Screenplay |
| Palpitant | 1965 | Screenplay |
| Ménage all'italiana | 1965 | Screenplay |
| Les Ogresses | 1966 | Screenplay |
| I nostri mariti | 1966 | Screenplay |
| Un italiano in America | 1967 | Screenplay |
| La moglie giapponese | 1968 | Screenplay |
| La Fille au pistolet | 1968 | Screenplay |
| Satyricon | 1969 | Writer |
| Amore mio aiutami | 1969 | Screenplay |
| Contestazione generale | 1970 | Screenplay |
| Moi, la femme ! | 1971 | Screenplay |
| Bello, onesto, emigrato Australia sposerebbe compaesana illibata | 1971 | Screenplay |
| L'Argent de la vieille | 1972 | Screenplay |
| Di che segno sei? | 1975 | Writer |
| Il comune senso del pudore | 1976 | Screenplay |
| Quelle strane occasioni | 1976 | Screenplay |
| La Maîtresse légitime | 1977 | Screenplay |
| Qui a tué le chat ? | 1977 | Screenplay |
| Le Témoin | 1978 | Writer |
| Où es-tu allé en vacances ? | 1978 | Screenplay |
| Io e Caterina | 1980 | Screenplay |
| Je sais que tu sais... | 1982 | Screenplay |
| In viaggio con papà | 1982 | Screenplay |
| Tutti Dentro | 1984 | Screenplay |
| Plaisirs de femme | 1985 | Screenplay |
| Troppo forte | 1986 | Screenplay |
| Un tassinaro a New York | 1987 | Screenplay |
| Sottozero | 1987 | Screenplay |
| L'avaro | 1990 | Screenplay |
| Vacanze di Natale '91 | 1991 | Screenplay |
| Assolto per aver commesso il fatto | 1992 | Screenplay |
| Infelici e contenti | 1992 | Screenplay |
| Nestore, l'ultima corsa | 1994 | Screenplay |
| Incontri proibiti | 1998 | Screenplay |
| Il quaderno della spesa | 2003 | Writer |
