Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | French Connection II | 1975 | |
| Writer | French Connection II | 1975 | |
| Writer | Revolution | 1985 | |
| Writer | Der Mann mit den Röntgenaugen | 1963 | |
| Writer | Waking the Dead | 2000 | |
| Writer | Menschen am Fluß | 1984 | |
| Writer | Menschen am Fluß | 1984 | |
| Writer | Bikini Beach | 1964 | |
| Writer | Die Professionals | 1972 | |
| Writer | Der Tod lauert in Kairo | 1993 | |
| Writer | Das alte finstere Haus | 1963 | |
| Writer | Muscle Beach Party | 1964 |