Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Fear and Loathing in Las Vegas | 1998 | |
| Writer | The Brothers Grimm | 2005 | |
| Writer | How I Live Now | 2013 | |
| Writer | The Man Who Killed Don Quixote | 2018 | |
| Writer | Tideland | 2005 | |
| Writer | Death Defying Acts | 2007 | |
| Writer | Red Riding: In the Year of Our Lord 1974 | 2009 | |
| Writer | Red Riding: In the Year of Our Lord 1983 | 2009 | |
| Writer | Red Riding: In the Year of Our Lord 1980 | 2009 | |
| Actor | Lost in La Mancha | 2002 | Himself - Co-Writer |
| Writer | The Island on Bird Street | 1997 | |
| Writer | The Unloved | 2009 |