Filmography53 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Young SherlockSeries | — | 58 |
| 2025 | Monster: The Ed Gein StorySeries | Alma Reville | 57 |
| 2024 | Dune: ProphecySeries | Reverend Mother Tula Harkonnen | 56 |
| 2024 | Another EndMovie | Juliette | 56 |
| 2023 | Funny WomanSeries | Gloria Balderstone, Barbara's mother | 55 |
| 2022 | The Lord of the Rings: The Rings of PowerSeries | Winterbloom (voice) | 54 |
| 2021 | The Wheel of TimeSeries | Queen Morgase Trakand | 53 |
| 2021 | The NeversSeries | Lavinia Bidlow | 53 |
| 2020 | The FatherMovie | The Woman | 52 |
| 2017 | Victoria & AbdulMovie | Baroness Churchill | 49 |
| 2017 | CounterpartSeries | Emily Burton Silk | 49 |
| 2016 | The CrownSeries | Camilla Parker Bowles | 48 |
| 2016 | The White KingMovie | Sophia (voice) | 48 |
| 2014 | Salting the BattlefieldMovie | Belinda Kay | 46 |
| 2014 | SabotageMovie | Caroline | 46 |
| 2014 | ManhattanSeries | Liza Winter | 46 |
| 2014 | Maps to the StarsMovie | Cristina Weiss | 46 |
| 2014 | MagpieMovie | The Woman | 46 |
| 2014 | AltarMovie | Meg | 46 |
| 2013 | The Last Days on MarsMovie | Kim Aldrich | 45 |
| 2013 | Justin and the Knights of ValourMovie | Queen (voice) | 45 |
| 2012 | Playhouse PresentsSeries | Dorothy Green | 44 |
| 2012 | Anna KareninaMovie | Countess Vronsky | 44 |
| 2012 | Now Is GoodMovie | Mother | 44 |
| 2012 | Hyde Park on HudsonMovie | Eleanor Roosevelt | 44 |
| 2011 | OK! TVSeries | — | 43 |
| 2011 | Case SensitiveSeries | Charlie Zailer | 43 |
| 2010 | The Ghost WriterMovie | Ruth Lang | 42 |
| 2010 | TerriersSeries | Miriam Foster | 42 |
| 2010 | Sex & Drugs & Rock & RollMovie | Betty Dury | 42 |
| 2009 | DollhouseSeries | Adelle DeWitt | 41 |
| 2009 | An EducationMovie | Miss Stubbs | 41 |
| 2008 | Flashbacks of a FoolMovie | Grace Scott | 40 |
| 2008 | Broken LinesMovie | Zoe | 40 |
| 2006 | X-Men: The Last StandMovie | Dr. Moira MacTaggert (uncredited) | 38 |
| 2005 | ValiantMovie | Victoria (voice) | 37 |
| 2005 | Tara RoadMovie | Ria | 37 |
| 2004 | The Heart of MeMovie | Madeleine | 36 |
| 2004 | The Hotel In AmsterdamMovie | Annie | 36 |
| 2003 | To Kill a KingMovie | Lady Anne Fairfax | 35 |
| 2001 | The Man from Elysian FieldsMovie | Andrea | 33 |
| 2001 | The BodyMovie | Sharon Golban | 33 |
| 2001 | Lucky BreakMovie | Annabel | 33 |
| 2000 | Born RomanticMovie | Eleanor | 32 |
| 2000 | Four Dogs Playing PokerMovie | Audrey | 32 |
| 2000 | The Making of 'Rushmore'Movie | Self | 32 |
| 1999 | The Sixth SenseMovie | Anna Crowe | 31 |
| 1998 | RushmoreMovie | Rosemary Cross | 30 |
| 1997 | The PostmanMovie | Abby | 29 |
| 1996 | EmmaMovie | Jane Fairfax | 28 |
| 1994 | FriendsSeries | Felicity | 26 |
| 1987 | The Ruth Rendell MysteriesSeries | Jennifer Norris | 19 |
| 1972 | Van der ValkSeries | Irene Kortman | 4 |