Filmography41 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Young SherlockSeries | Cordelia Holmes | 57 |
| 2022 | HaloSeries | Dr. Catherine Halsey | 53 |
| 2022 | Hotel PortofinoSeries | Bella Ainsworth | 53 |
| 2018 | The FirstSeries | Laz Ingram | 49 |
| 2017 | London TownMovie | Sandrine | 48 |
| 2016 | The CrownSeries | Penny Knatchbull | 47 |
| 2016 | Designated SurvivorSeries | Alex Kirkman | 47 |
| 2016 | Mr. ChurchMovie | Marie Brooks | 47 |
| 2015 | Saints & StrangersSeries | Elizabeth Hopkins | 46 |
| 2013 | BelieveMovie | Erica Gallagher | 44 |
| 2013 | The SeaMovie | Connie Grace | 44 |
| 2010 | ThorneSeries | Anne Coburn | 41 |
| 2010 | The KidMovie | Gloria | 41 |
| 2009 | The Secret of MoonacreMovie | Loveday | 40 |
| 2008 | BlessedMovie | Lou | 39 |
| 2007 | CalifornicationSeries | Karen van der Beek | 38 |
| 2007 | The CompanySeries | Elizabeth Nemeth | 38 |
| 2006 | Big NothingMovie | Penelope Wood | 37 |
| 2005 | Guy XMovie | Sgt. Irene Teal | 36 |
| 2005 | RevelationsSeries | Sister Josepha Montafiore | 36 |
| 2004 | Ronin: Filming in the Fast LaneMovie | Self | 35 |
| 2004 | Ladies in LavenderMovie | Olga | 35 |
| 2003 | Laurel CanyonMovie | Sara | 34 |
| 2003 | The Other Boleyn GirlMovie | Mary Boleyn | 34 |
| 2002 | FearDotComMovie | Terry | 33 |
| 2002 | City of GhostsMovie | Sophie | 33 |
| 2000 | Love's Labour's LostMovie | Rosaline | 31 |
| 2000 | Contaminated ManMovie | Holly Anderson | 31 |
| 1998 | The Truman ShowMovie | Lauren Garland / Sylvia | 29 |
| 1998 | What Rats Won't DoMovie | Kate Beckenham | 29 |
| 1998 | RoninMovie | Deirdre | 29 |
| 1997 | The Devil's OwnMovie | Megan Doherty | 28 |
| 1997 | Mrs. DallowayMovie | Young Clarissa | 28 |
| 1996 | Surviving PicassoMovie | Françoise Gilot | 27 |
| 1996 | KaraokeSeries | Angie | 27 |
| 1994 | CadfaelSeries | Cecily Corde | 25 |
| 1993 | Late Night with Conan O'BrienSeries | Self - Guest | 24 |
| 1992 | Absolutely FabulousSeries | Art Gallery Attendant | 23 |
| 1981 | BergeracSeries | Louise Calder | 12 |
| 1979 | MinderSeries | Vanessa | 10 |
| 0 | When Darkness Loves UsMovie | — | — |