Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Il professore e il pazzo | 2019 | |
| Director | L'esorcista II - L'eretico | 1977 | |
| Producer | L'esorcista II - L'eretico | 1977 | |
| Director | Excalibur | 1981 | |
| Writer | Excalibur | 1981 | |
| Producer | Excalibur | 1981 | |
| Director | Un tranquillo weekend di paura | 1972 | |
| Producer | Un tranquillo weekend di paura | 1972 | |
| Director | Il sarto di Panama | 2001 | |
| Writer | Il sarto di Panama | 2001 | |
| Producer | Il sarto di Panama | 2001 | |
| Director | Zardoz | 1974 | |
| Writer | Zardoz | 1974 | |
| Producer | Zardoz | 1974 | |
| Director | La foresta di smeraldo | 1985 | |
| Producer | La foresta di smeraldo | 1985 | |
| Director | Queen & Country | 2014 | |
| Writer | Queen & Country | 2014 | |
| Producer | Queen & Country | 2014 | |
| Actor | Anni '40 | 1987 | |
| Director | Anni '40 | 1987 | |
| Writer | Anni '40 | 1987 | |
| Producer | Nemo | 1984 | |
| Director | Senza un attimo di tregua | 1967 | |
| Director | Duello nel Pacifico | 1968 | |
| Director | Oltre Rangoon | 1995 | |
| Producer | Oltre Rangoon | 1995 | |
| Director | In My Country | 2004 | |
| Producer | In My Country | 2004 | |
| Director | The General | 1998 | |
| Writer | The General | 1998 | |
| Producer | The General | 1998 | |
| Director | Lumière et compagnie | 1995 |