Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | The Last King of Scotland | 2006 | |
| Writer | How I Live Now | 2013 | |
| Writer | A Little Chaos | 2015 | |
| Writer | The Eagle | 2011 | |
| Writer | A Very Royal Scandal | ||
| Executive producer | A Very Royal Scandal | ||
| Executive producer | A Very Royal Scandal | ||
| Producer | Dark Crimes | 2018 | |
| Writer | Dark Crimes | 2018 | |
| Writer | Brideshead Revisited | 2008 | |
| Writer | Charlotte Gray | 2001 | |
| Director | Driving Lessons | 2006 | |
| Writer | Driving Lessons | 2006 | |
| Writer | Mrs Brown | 1997 | |
| Writer | I Am Slave | 2010 |