Gillian Anderson has been credited as
Actor 21
| Andorra | Pre-Production | TBA |
| The Curse Of The Buxom Strumpet | Pre-Production | TBA |
| Romeo and Brittney | Announced | TBA |
| Gellhorn: A Twentieth-Century Life | Development | TBA |
| The Sunlit Night | 2020 | |
| The Spy Who Dumped Me | 2018 | |
| Crooked House | 2017 | |
| Viceroy's House | 2017 | |
| Princess Mononoke 20th Anniversary ... (voice) | 2017 | |
| Sold | 2016 | |
| Robot Overloads | 2015 | |
| I’ll Follow You Down ... Marika | 2014 | |
| Shadow Dancer | 2013 | |
| From Up on Poppy Hill ... (voice) | 2013 | |
| Sister ... Kristin Jansen | 2012 | |
| Johnny English Reborn | 2011 | |
| Boogie Woogie | 2010 | |
| How to Lose Friends and Alienate People | 2008 | |
| The X-Files: I Want to Believe | 2008 | |
| The Last King of Scotland | 2006 | |
| Tristram Shandy: A Cock & Bull Story | 2005 |
Producer 1
| Gellhorn: A Twentieth-Century Life | Development | TBA |
Limited credits available; non-exhaustive filmography.
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