Diğer Roller
| 1974 | The Mark of Zorro - Adaptation |
| 1969 | The Mad Room - Writer |
| 1963 | Dracula - Writer |
| 1946 | Inside Job - Story |
| 1945 | Blood on the Sun - Writer |
| 1945 | The Man in Half Moon Street - Adaptation |
| 1943 | Bataan - Writer |
| 1942 | Street of Chance - Screenplay |
| 1942 | Lady for a Night - Story |
| 1941 | Among the Living - Screenplay |
| 1941 | Ladies in Retirement - Screenplay |
| 1940 | The Mark of Zorro - Adaptation |
| 1939 | The Zero Hour - Story |
| 1939 | Panama Lady - Story |
| 1939 | Twelve Crowded Hours - Story |
| 1936 | The Devil-Doll - Screenplay |
| 1936 | Dracula's Daughter - Screenplay |
| 1935 | Jalna - Adaptation |
| 1934 | Mills of the Gods - Writer |
| 1934 | Private Scandal - Writer |
| 1934 | The Lost Patrol - Adaptation |
| 1933 | Before Dawn - Screenplay |
| 1932 | 70,000 Witnesses - Screenplay |
| 1932 | Young Bride - Screenplay |
| 1932 | Panama Flo - Story |
| 1931 | Frankeştayn - Screenplay |
| 1931 | Drakula - Screenplay |
| 1931 | La carta - Writer |
| 1930 | Doña mentiras - Adaptation |
| 1930 | Scotland Yard - Writer |
| 1930 | Outside the Law - Writer |
| 1930 | Dangerous Nan McGrew - Story |
| 1930 | The Big Pond - Story |
| 1929 | The Return of Sherlock Holmes - Writer |
| 1929 | Applause - Adaptation |
| 1929 | The Lady Lies - Adaptation |
| 1929 | Jealousy - Writer |
| 1929 | The Letter - Screenplay |
| 1928 | Naughty Baby - Writer |
| 1927 | The Prince of Headwaiters - Story |
| 1927 | The Yankee Clipper - Adaptation |
| 1927 | White Gold - Adaptation |
| 1927 | The Bachelor's Baby - Story |
| 1926 | Bachelor Brides - Writer |
| 1926 | Gigolo - Writer |
| 1926 | Made for Love - Story |
| 1925 | The Midnight Girl - Story |
| 1925 | Ports of Call - Story |
| 1924 | The Fire Patrol - Writer |
| 1924 | In Fast Company - Writer |
| 1924 | On Time - Writer |
| 1922 | Gay and Devilish - Writer |
Duvar