Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Director | Dracula | 1931 | |
| Producer | Dracula | 1931 | |
| Writer | Dracula | 1931 | |
| Director | Freaks - Missgestaltete | 1932 | |
| Producer | Freaks - Missgestaltete | 1932 | |
| Writer | Intoleranz | 1916 | |
| Director | Intoleranz | 1916 | |
| Director | Das Zeichen des Vampirs | 1935 | |
| Producer | Das Zeichen des Vampirs | 1935 | |
| Writer | Das Zeichen des Vampirs | 1935 | |
| Director | Der Unbekannte | 1927 | |
| Writer | Der Unbekannte | 1927 | |
| Director | The Devil-Doll - Die Teufelspuppe | 1936 | |
| Producer | The Devil-Doll - Die Teufelspuppe | 1936 | |
| Writer | The Devil-Doll - Die Teufelspuppe | 1936 | |
| Director | London After Midnight | 1927 | |
| Writer | London After Midnight | 1927 | |
| Producer | London After Midnight | 1927 |