Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Producer | Dracula | 1958 | |
| Producer | Der Hund von Baskerville | 1959 | |
| Producer | Dracula und seine Bräute | 1960 | |
| Writer | Blut für Dracula | 1966 | |
| Producer | Frankensteins Fluch | 1957 | |
| Writer | Dracula - Nächte des Entsetzens | 1970 | |
| Writer | Draculas Rückkehr | 1968 | |
| Writer | Wolfman vs. Godzilla | 1983 | |
| Producer | Der Fluch von Siniestro | 1961 | |
| Writer | Der Fluch von Siniestro | 1961 | |
| Writer | Der Kuss des Vampirs | 1963 | |
| Producer | Der Kuss des Vampirs | 1963 | |
| Writer | Wie schmeckt das Blut von Dracula? | 1970 | |
| Writer | Frankensteins Höllenmonster | 1974 | |
| Producer | Das Rätsel der unheimlichen Maske | 1962 | |
| Writer | Das Rätsel der unheimlichen Maske | 1962 | |
| Producer | Schock | 1955 | |
| Producer | Frankensteins Rache | 1958 | |
| Writer | Frankensteins Ungeheuer | 1964 | |
| Producer | Frankensteins Ungeheuer | 1964 | |
| Writer | Frankenstein schuf ein Weib | 1967 | |
| Writer | Der Fluch der Mumie | 1967 | |
| Producer | Feinde aus dem Nichts | 1957 | |
| Writer | Das schwarze Reptil | 1966 | |
| Writer | Rasputin - Der wahnsinnige Mönch | 1966 | |
| Producer | Das alte finstere Haus | 1963 | |
| Producer | Haus des Grauens | 1963 |