Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | The Lord of the Rings: The Fellowship of the Ring | 2001 | |
| Writer | The Lord of the Rings: The Return of the King | 2003 | |
| Writer | The Lord of the Rings: The Two Towers | 2002 | |
| Writer | The Hobbit: The Desolation of Smaug | 2013 | |
| Writer | The Hobbit: An Unexpected Journey | 2012 | |
| Writer | The Hobbit: The Battle of the Five Armies | 2014 | |
| Writer | The Lord of the Rings | 1978 | |
| Writer | The Hobbit | 1977 | |
| Writer | The Return of the King | 1980 | |
| Writer | The Hobbit | 1966 | |
| Writer | Born of Hope | 2009 | |
| Writer | The Fantastic Journey of Mr. Bilbo Baggins, the Hobbit | 1985 |