Filmography44 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | MouseMovie | Helen Bell | 58 |
| 2026 | ClarissaMovie | Clarissa | 58 |
| 2024 | 10 LivesMovie | Grace (voice) | 56 |
| 2024 | The Conqueror: Hollywood FalloutMovie | Narrator | 56 |
| 2022 | Death on the NileMovie | Salome Otterbourne | 54 |
| 2022 | CharlotteMovie | Ottilie Moore (voice) | 54 |
| 2022 | Slow HorsesSeries | Ingrid Tearney | 54 |
| 2022 | Catherine Called BirdyMovie | Ethelfritha Rose Splinter of Devon | 54 |
| 2021 | The Wheel of TimeSeries | Siuan Sanche | 53 |
| 2020 | RatchedSeries | Charlotte Wells | 52 |
| 2019 | His Dark MaterialsSeries | Xaphania (voice) | 51 |
| 2019 | Modern LoveSeries | Elizabeth Cannon | 51 |
| 2019 | HellboyMovie | Lady Hatton | 51 |
| 2019 | FlackSeries | Caroline | 51 |
| 2019 | Wild RoseMovie | Susannah | 51 |
| 2018 | ExplainedSeries | Narrator (voice) | 50 |
| 2018 | Christopher RobinMovie | Kanga (voice) | 50 |
| 2016 | UndercoverSeries | Maya Cobbina | 48 |
| 2016 | Wimbledon Official Film 2016Movie | Narrator | 48 |
| 2014 | Inside No. 9Series | Katrina | 46 |
| 2013 | The Escape ArtistSeries | Maggie Gardner | 45 |
| 2013 | MaydaySeries | Fiona Hill | 45 |
| 2012 | The Hollow CrownSeries | Margaret | 44 |
| 2009 | SkinMovie | Sandra Laing | 41 |
| 2008 | Criminal JusticeSeries | Jackie Woolf | 40 |
| 2008 | The Secret Life of BeesMovie | May Boatwright | 40 |
| 2007 | The Graham Norton ShowSeries | Self | 39 |
| 2005 | Doctor WhoSeries | Liz 10 | 37 |
| 2005 | The Late Late Show with Craig FergusonSeries | Self | 37 |
| 2005 | Æon FluxMovie | Sithandra | 37 |
| 2002 | SpooksSeries | Amanda Roke | 34 |
| 2002 | The Inspector Lynley MysteriesSeries | Eve Bowen | 34 |
| 1999 | Mad CowsMovie | Rosie | 31 |
| 1997 | The JackalMovie | Jamaican Girl | 29 |
| 1995 | Ace Ventura: When Nature CallsMovie | The Wachati Princess | 27 |
| 1993 | GMTVSeries | Self | 25 |
| 1991 | Murder Most HorridSeries | Rachel | 23 |
| 1991 | Young Soul RebelsMovie | Tracy | 23 |
| 1987 | DispatchesSeries | — | 19 |
| 1986 | CasualtySeries | Gina Russell | 18 |
| 1985 | Screen TwoSeries | Melanie | 17 |
| 1984 | The BillSeries | — | 16 |
| 1983 | FrontlineSeries | Narrator | 15 |
| 1953 | The OscarsSeries | Self | — |