Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Director | Dracula | 1931 | |
| Producer | Dracula | 1931 | |
| Writer | Dracula | 1931 | |
| Director | Freaks | 1932 | |
| Producer | Freaks | 1932 | |
| Writer | Intolerance | 1916 | |
| Director | Intolerance | 1916 | |
| Director | I vampiri di Praga | 1935 | |
| Producer | I vampiri di Praga | 1935 | |
| Writer | I vampiri di Praga | 1935 | |
| Director | Lo sconosciuto | 1927 | |
| Writer | Lo sconosciuto | 1927 | |
| Director | La bambola del diavolo | 1936 | |
| Producer | La bambola del diavolo | 1936 | |
| Writer | La bambola del diavolo | 1936 | |
| Director | Il fantasma del castello | 1927 | |
| Writer | Il fantasma del castello | 1927 | |
| Producer | Il fantasma del castello | 1927 |