Diğer Roller
| 1952 | Pony Soldier - Story |
| 1941 | The Great Train Robbery - Writer |
| 1940 | Opened by Mistake - Screenplay |
| 1940 | The Crooked Road - Writer |
| 1940 | Emergency Squad - Screenplay |
| 1939 | Bulldog Drummond's Bride - Screenplay |
| 1939 | Bulldog Drummond's Secret Police - Screenplay |
| 1938 | Bulldog Drummond in Africa - Screenplay |
| 1937 | Daughter of Shanghai - Screenplay |
| 1937 | Daughter of Shanghai - Story |
| 1937 | Partners in Crime - Screenplay |
| 1936 | The Preview Murder Mystery - Story |
| 1935 | Nevada - Screenplay |
| 1934 | The Old-Fashioned Way - Screenplay |
| 1934 | The 9th Guest - Screenplay |
| 1933 | Supernatural - Adaptation |
| 1933 | Supernatural - Story |
| 1932 | Zombi - Yasayan Ölüler - Dialogue |
| 1932 | Zombi - Yasayan Ölüler - Story |
| 1931 | The Viking - Scenario Writer |
| 1931 | The Viking - Story |
| 1929 | The American Prisoner - Writer |
| 1929 | The Flying Scotsman - Writer |
| 1929 | A Romance of Seville - Writer |
| 1929 | The Lady from the Sea - Writer |
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