| The Foolish Matrons | 1921 | Writer |
| While Paris Sleeps | 1923 | Writer |
| Daytime Wives | 1923 | Writer |
| Alimony | 1924 | Screenplay |
| The Western Wallop | 1924 | Screenplay |
| The Measure of a Man | 1924 | Screenplay |
| Daring Chances | 1924 | Writer |
| The Sunset Trail | 1924 | Writer |
| Greater Than a Crown | 1925 | Writer |
| The Lodge in the Wilderness | 1926 | Writer |
| Land of the Lawless | 1927 | Writer |
| Vultures of the Sea | 1928 | Writer |
| The Vanishing West | 1928 | Writer |
| Tropic Madness | 1928 | Writer |
| The King of the Kongo | 1929 | Screenplay |
| The Phantom of the West | 1930 | Screenplay |
| The Vanishing Legion | 1931 | Screenplay |
| The Galloping Ghost | 1931 | Screenplay |
| The Lightning Warrior | 1931 | Screenplay |
| L'Aigle de la mort | 1932 | Writer |
| The Last of the Mohicans | 1932 | Screenplay |
| The Devil Horse | 1932 | Writer |
| The Whispering Shadow | 1933 | Screenplay |
| Fighting With Kit Carson | 1933 | Screenplay |
| The Wolf Dog | 1933 | Screenplay |
| The Mystery Squadron | 1933 | Screenplay |
| The Lost Jungle | 1934 | Screenplay |
| The Lost Jungle | 1934 | Writer |
| Ghost Patrol | 1936 | Screenplay |
| Secret Agent X-9 | 1937 | Screenplay |
| Wild West Days | 1937 | Screenplay |
| Tim Tyler's Luck | 1937 | Screenplay |
| Forbidden Valley | 1938 | Screenplay |
| Rocket Ship | 1938 | Screenplay |
| Flash Gordon's Trip to Mars | 1938 | Screenplay |
| Flash Gordon: The Deadly Ray From Mars | 1938 | Writer |
| Flaming Frontiers | 1938 | Screenplay |
| Mars Attacks the World | 1938 | Screenplay |
| Scouts to the Rescue | 1939 | Screenplay |
| Deadwood Dick | 1940 | Screenplay |
| The Medico of Painted Springs | 1941 | Writer |
| Holt of the Secret Service | 1941 | Screenplay |
| La Fête au Ranch | 1942 | Writer |
| Squadron of Doom | 1949 | Screenplay |
