| Cheated Love | 1921 | Writer |
| Pink Gods | 1922 | Writer |
| The Exciters | 1923 | Writer |
| Salome of the Tenements | 1925 | Writer |
| Why Girls Go Back Home | 1926 | Screenplay |
| Christine of the Big Tops | 1926 | Writer |
| The Princess from Hoboken | 1927 | Writer |
| The Heart Thief | 1927 | Writer |
| A Harp in Hock | 1927 | Writer |
| A Ship Comes In | 1928 | Writer |
| The Power of the Press | 1928 | Writer |
| Loin du ghetto | 1929 | Screenplay |
| Trial Marriage | 1929 | Screenplay |
| Behind That Curtain | 1929 | Writer |
| L’Isolé | 1929 | Writer |
| Frozen Justice | 1929 | Writer |
| South Sea Rose | 1929 | Writer |
| Song o' My Heart | 1930 | Screenplay |
| So This Is London | 1930 | Screenplay |
| Liliom | 1930 | Screenplay |
| Lightnin' | 1930 | Writer |
| The Man Who Came Back | 1931 | Writer |
| Daddy Long Legs | 1931 | Writer |
| The Brat | 1931 | Writer |
| Surrender | 1931 | Writer |
| Delicious | 1931 | Writer |
| After Tomorrow | 1932 | Screenplay |
| Rebecca of Sunnybrook Farm | 1932 | Screenplay |
| Tess of the Storm Country | 1932 | Writer |
| State Fair | 1933 | Screenplay |
| The Warrior's Husband | 1933 | Writer |
| Berkeley Square | 1933 | Screenplay |
| Mr. Skitch | 1933 | Writer |
| As Husbands Go | 1934 | Writer |
| Change of Heart | 1934 | Screenplay |
| Navy Wife | 1935 | Writer |
| The Country Doctor | 1936 | Screenplay |
| Reunion | 1936 | Writer |
| L'Incendie de Chicago | 1938 | Screenplay |
| Four Men and a Prayer | 1938 | Screenplay |
| Kidnapped | 1938 | Screenplay |
| Kidnapped | 1938 | Writer |
| Madame et son cowboy | 1938 | Screenplay |
| Sur la piste des Mohawks | 1939 | Screenplay |
| Quasimodo | 1939 | Screenplay |
| La Danseuse des Folies Ziegfeld | 1941 | Screenplay |
| La vallée du jugement | 1945 | Screenplay |
| The Green Years | 1946 | Screenplay |
| Cupidon mène la danse | 1948 | Screenplay |
| Quo Vadis | 1951 | Screenplay |
| The Merry Widow | 1952 | Screenplay |
| The Student Prince | 1954 | Screenplay |
| La Fille de l'amiral | 1955 | Screenplay |
| Mélodie interrompue | 1955 | Writer |
| Oklahoma! | 1955 | Screenplay |
| La Croisée des destins | 1956 | Screenplay |
| Un seul amour | 1957 | Screenplay |
