| T'amerĂČ sempre | 1933 | Screenplay |
| Ragazzo | 1934 | Writer |
| Je donnerai un million | 1935 | Writer |
| Come le foglie | 1935 | Screenplay |
| Il cappello a tre punte | 1935 | Screenplay |
| Passaporto rosso | 1935 | Screenplay |
| Ginevra degli Almieri | 1935 | Screenplay |
| Ginevra degli Almieri | 1935 | Writer |
| La danza delle lancette | 1936 | Screenplay |
| Felicita Colombo | 1937 | Screenplay |
| Il conte di Bréchard | 1938 | Screenplay |
| Voce senza volto | 1939 | Writer |
| Batticuore | 1939 | Screenplay |
| Io, suo padre | 1939 | Writer |
| Animali pazzi | 1939 | Screenplay |
| Les grands magasins | 1939 | Screenplay |
| L'elisir d'amore | 1941 | Screenplay |
| I promessi sposi | 1941 | Screenplay |
| Le Passé qui tue | 1945 | Screenplay |
| Deux lettres anonymes | 1945 | Screenplay |
| Un uomo ritorna | 1946 | Screenplay |
| La figlia del capitano | 1947 | Screenplay |
| Amanti senza amore | 1948 | Screenplay |
| Riz amer | 1949 | Screenplay |
| Il lupo della Sila | 1949 | Screenplay |
| Duello senza onore | 1950 | Screenplay |
| Il brigante Musolino | 1950 | Screenplay |
| Anna | 1951 | Screenplay |
| La Traite des Blanches | 1952 | Screenplay |
| Tre storie proibite | 1952 | Screenplay |
| Europe 51 | 1952 | Screenplay |
| La cieca di Sorrento | 1953 | Writer |
| Les InfidĂšles | 1953 | Screenplay |
| Jolanda la figlia del corsaro nero | 1953 | Screenplay |
| La Louve de Calabre | 1953 | Screenplay |
| Phryné, courtisane d'Orient | 1953 | Writer |
| Mambo | 1954 | Writer |
| Ulysse | 1954 | Screenplay |
| D'Artagnan, chevalier de la reine | 1954 | Writer |
| Il vetturale del Moncenisio | 1954 | Screenplay |
| Un po' di cielo | 1955 | Writer |
| Quando tramonta il sole | 1956 | Screenplay |
| Guerre et Paix | 1956 | Screenplay |
| La TempĂȘte | 1958 | Screenplay |
| Cinq Femmes marquées | 1960 | Writer |
| I briganti italiani | 1961 | Screenplay |
| Barabbas | 1961 | Writer |
| Ponce Pilate | 1962 | Screenplay |
| Caravaggio | 1967 | Writer |
| Mon Dieu, comment suis-je tombée si bas ? | 1974 | Writer |
