| Maskottchen | 1929 | Writer |
| Flucht in die Fremdenlegion | 1929 | Writer |
| Der Schuß im Tonfilmatelier | 1930 | Writer |
| Der Kampf mit dem Drachen oder: Die Tragödie des Untermieters | 1930 | Writer |
| Der Mann, der seinen Mörder sucht | 1931 | Screenplay |
| Der Ball | 1931 | Screenplay |
| Le Bal | 1931 | Screenplay |
| I.F.1 ne répond plus | 1932 | Screenplay |
| Marion, das gehört sich nicht | 1933 | Writer |
| La crise est finie | 1934 | Writer |
| Girls Will Be Boys | 1934 | Writer |
| Non-Stop New York | 1937 | Writer |
| Le Retour de l'homme invisible | 1940 | Screenplay |
| Vendredi 13 | 1940 | Screenplay |
| Le Singe tueur | 1940 | Screenplay |
| Aloma of the South Seas | 1941 | Writer |
| Le Loup-Garou | 1941 | Screenplay |
| L'Agent invisible contre la Gestapo | 1942 | Screenplay |
| London Blackout Murders | 1943 | Screenplay |
| Frankenstein rencontre le loup-garou | 1943 | Screenplay |
| The Purple V | 1943 | Screenplay |
| The Mantrap | 1943 | Writer |
| Vaudou | 1943 | Screenplay |
| False Faces | 1943 | Writer |
| La Passion du docteur Hohner | 1944 | Screenplay |
| Frisco Sal | 1945 | Screenplay |
| Shady Lady | 1945 | Writer |
| La Bête aux cinq doigts | 1947 | Screenplay |
| Tarzan et la fontaine magique | 1949 | Screenplay |
| Bride of the Gorilla | 1951 | Writer |
| The Magnetic Monster | 1953 | Screenplay |
| Riders to the Stars | 1954 | Screenplay |
| Creature with the Atom Brain | 1955 | Screenplay |
| Le justicier du temple d'or | 1956 | Screenplay |
| Love Slaves of the Amazons | 1957 | Writer |
| Love Slaves of the Amazons | 1957 | Producer |
| Tales of Frankenstein | 1958 | Executive Producer |
| The Devil's Messenger | 1961 | Writer |
| Sherlock Holmes et le collier de la mort | 1962 | Screenplay |
| Das Feuerschiff | 1963 | Writer |
| Doom of Dracula | 1966 | Writer |
