Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Vice - L'uomo nell'ombra | 2018 | Antonin Scalia |
| Writer | Justin e i cavalieri valorosi | 2013 | |
| Writer | Doctor Who | 1996 | |
| Producer | Doctor Who | 1996 | |
| Writer | Lassie | 1994 | |
| Writer | La casa ai confini della realtà | 1988 | |
| Writer | Unforgiven | 2018 | |
| Writer | Lady of Csejte | 2015 |