Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Spirit - Cavallo selvaggio | 2002 | |
| Writer | The Shack | 2017 | |
| Writer | Highwaymen - L'ultima imboscata | 2019 | |
| Writer | Il regno proibito | 2008 | |
| Writer | Marco Polo: One Hundred Eyes | 2015 | |
| Writer | Oceano di fuoco - Hidalgo | 2004 | |
| Writer | La Tigre e il Dragone - La Spada del Destino | 2016 | |
| Writer | Young guns - giovani pistole | 1988 | |
| Producer | Young guns - giovani pistole | 1988 | |
| Writer | Young Guns II - La leggenda di Billy the Kid | 1990 | |
| Producer | Young Guns II - La leggenda di Billy the Kid | 1990 | |
| Writer | Mississippi Adventure | 1986 | |
| Writer | Cuore di tuono | 1992 | |
| Producer | Cuore di tuono | 1992 | |
| Writer | Loch Ness | 1996 | |
| Producer | The Babe - La leggenda | 1992 | |
| Writer | The Babe - La leggenda | 1992 | |
| Writer | Dreamkeeper | 2003 |