Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | The Professor and the Madman | 2019 | |
| Director | Der Exorzist II - Der Ketzer | 1977 | |
| Producer | Der Exorzist II - Der Ketzer | 1977 | |
| Director | Excalibur | 1981 | |
| Writer | Excalibur | 1981 | |
| Producer | Excalibur | 1981 | |
| Director | Beim Sterben ist jeder der Erste | 1972 | |
| Producer | Beim Sterben ist jeder der Erste | 1972 | |
| Director | Der Schneider von Panama | 2001 | |
| Writer | Der Schneider von Panama | 2001 | |
| Producer | Der Schneider von Panama | 2001 | |
| Director | Zardoz | 1974 | |
| Writer | Zardoz | 1974 | |
| Producer | Zardoz | 1974 | |
| Director | Der Smaragdwald | 1985 | |
| Producer | Der Smaragdwald | 1985 | |
| Director | Queen & Country | 2014 | |
| Writer | Queen & Country | 2014 | |
| Producer | Queen & Country | 2014 | |
| Actor | Hope and Glory | 1987 | |
| Director | Hope and Glory | 1987 | |
| Writer | Hope and Glory | 1987 | |
| Producer | Nemo | 1984 | |
| Director | Point Blank | 1967 | |
| Director | Die Hölle sind wir | 1968 | |
| Director | Rangoon - Im Herzen des Sturms | 1995 | |
| Producer | Rangoon - Im Herzen des Sturms | 1995 | |
| Director | Country of My Skull | 2004 | |
| Producer | Country of My Skull | 2004 | |
| Director | Der General | 1998 | |
| Writer | Der General | 1998 | |
| Producer | Der General | 1998 | |
| Director | Lumière & Compagnie | 1995 |