| Cœur d'apache | 1912 | Writer |
| My Baby | 1912 | Writer |
| The New York Hat | 1912 | Writer |
| The Telephone Girl and the Lady | 1913 | Writer |
| The Power of the Camera | 1913 | Writer |
| Highbrow Love | 1913 | Writer |
| Pa Says | 1913 | Writer |
| The Widow's Kids | 1913 | Writer |
| The Lady in Black | 1913 | Writer |
| A Cure for Suffragettes | 1913 | Writer |
| A Duel for Love | 1914 | Writer |
| The Gangsters of New York | 1914 | Writer |
| The Hunchback | 1914 | Writer |
| For Her Father's Sins | 1914 | Writer |
| At the Road's End | 1915 | Writer |
| His Picture in the Papers | 1916 | Writer |
| Macbeth | 1916 | Writer |
| The Mystery of the Leaping Fish | 1916 | Writer |
| Stranded | 1916 | Writer |
| The Half-Breed | 1916 | Writer |
| Intolérance | 1916 | Writer |
| The Social Secretary | 1916 | Writer |
| The Children Pay | 1916 | Writer |
| The Matrimaniac | 1916 | Screenplay |
| The Americano | 1916 | Writer |
| A Daughter of the Poor | 1917 | Writer |
| In Again, Out Again | 1917 | Writer |
| Wild and Woolly | 1917 | Writer |
| Down to Earth | 1917 | Writer |
| Reaching for the Moon | 1917 | Writer |
| Let's Get a Divorce | 1918 | Writer |
| Hit-the-Trail Holliday | 1918 | Writer |
| Come on In | 1918 | Writer |
| Getting Mary Married | 1919 | Writer |
| A Temperamental Wife | 1919 | Writer |
| A Temperamental Wife | 1919 | Producer |
| The Isle of Conquest | 1919 | Writer |
| A Virtuous Vamp | 1919 | Writer |
| Two Weeks | 1920 | Writer |
| In Search of a Sinner | 1920 | Writer |
| The Love Expert | 1920 | Producer |
| The Love Expert | 1920 | Writer |
| The Perfect Woman | 1920 | Writer |
| Dangerous Business | 1920 | Producer |
| Dangerous Business | 1920 | Writer |
| Mama's Affair | 1921 | Writer |
| Woman's Place | 1921 | Writer |
| Polly of the Follies | 1922 | Writer |
| Red Hot Romance | 1922 | Screenplay |
| Dulcy | 1923 | Writer |
| Learning to Love | 1925 | Screenplay |
| Publicity Madness | 1927 | Writer |
| Gentlemen Prefer Blondes | 1928 | Writer |
| Ex-Bad Boy | 1931 | Writer |
| La femme aux cheveux rouges | 1932 | Screenplay |
| Blondie of the Follies | 1932 | Writer |
| The Barbarian | 1933 | Writer |
| Dans tes bras | 1933 | Screenplay |
| The Girl from Missouri | 1934 | Screenplay |
| Biography of a Bachelor Girl | 1935 | Writer |
| Riffraff | 1936 | Screenplay |
| San Francisco | 1936 | Screenplay |
| Mama Steps Out | 1937 | Screenplay |
| Saratoga | 1937 | Writer |
| Femmes | 1939 | Screenplay |
| Nick joue et gagne | 1939 | Writer |
| Suzanne et ses idées | 1940 | Screenplay |
| L'aventure commence à Bombay | 1941 | Screenplay |
| Les Oubliés | 1941 | Writer |
| Duel de femmes | 1941 | Screenplay |
| I Married an Angel | 1942 | Screenplay |
| D.W. Griffith - Years of Discovery 1909-1913 | 2002 | Writer |
