
Filmography76 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | The GirlfriendSeries | Lillith Greenway | 60 |
| 2024 | My Lady JaneSeries | Lady Frances Grey | 59 |
| 2022 | CompulsionSeries | Sasha | 57 |
| 2022 | Hotel PortofinoSeries | Lady Latchmere | 57 |
| 2022 | Mrs. Harris Goes to ParisMovie | Lady Dant | 57 |
| 2021 | The WatchSeries | Lord Vetinari | 56 |
| 2020 | Come AwayMovie | Eleanor Morrow | 55 |
| 2019 | Pennyworth: The Origin of Batman's ButlerSeries | Frances Gaunt | 54 |
| 2019 | BenjaminMovie | Tessa | 54 |
| 2019 | For Love or MoneyMovie | Carol | 54 |
| 2018 | Ordeal by InnocenceSeries | Rachel Argyll | 53 |
| 2018 | The Happy PrinceMovie | Mrs. Arbuthnott | 53 |
| 2018 | TrustSeries | Penelope | 53 |
| 2018 | Nativity Rocks!Movie | Clara Hargreaves | 53 |
| 2017 | TimewastersSeries | Victoria | 52 |
| 2017 | Love of My LifeMovie | Grace | 52 |
| 2016 | The CrownSeries | Lady Rosse | 51 |
| 2016 | FlowersSeries | Aunty Viv | 51 |
| 2016 | This Beautiful FantasticMovie | Mrs Bramble | 51 |
| 2016 | New BloodSeries | Eleanor Davies | 51 |
| 2016 | The CarerMovie | Milly | 51 |
| 2015 | Testament of YouthMovie | Mrs. Leighton | 50 |
| 2014 | Inside No. 9Series | Elizabeth | 49 |
| 2014 | FlemingSeries | Second Officer Monday | 49 |
| 2014 | SardinesMovie | Elizabeth | 49 |
| 2014 | Penny DreadfulSeries | Claire Ives | 49 |
| 2014 | Mapp and LuciaSeries | Emmeline 'Lucia' Lucas | 49 |
| 2013 | Confessions of an Alien AbducteeMovie | Narrator | 48 |
| 2012 | A Touch of ClothSeries | Hope Goodgirl | 47 |
| 2012 | We'll Take ManhattanMovie | Lucie Clayton | 47 |
| 2012 | PramfaceSeries | Janet Derbyshire | 47 |
| 2011 | Death in ParadiseSeries | Ciss Dacre | 46 |
| 2011 | Celebrity Antiques Road TripSeries | Self - Participant | 46 |
| 2011 | The HourSeries | Lix Storm | 46 |
| 2011 | HiddenSeries | Elspeth Verney | 46 |
| 2011 | HysteriaMovie | Mrs. Bellamy | 46 |
| 2010 | Downton AbbeySeries | Lady Anstruther | 45 |
| 2009 | Law & Order: UKSeries | — | 44 |
| 2009 | MirandaSeries | Helena | 44 |
| 2007 | LewisSeries | Judith Suskin | 42 |
| 2007 | Sherlock Holmes and the Baker Street IrregularsMovie | Irene Adler | 42 |
| 2007 | Christmas at the RivieraMovie | Diane | 42 |
| 2007 | St Trinian'sMovie | Miss Bagstock | 42 |
| 2006 | Breaking and EnteringMovie | Kate | 41 |
| 2006 | The Secret Life of Mrs. BeetonMovie | Elizabeth Doring | 41 |
| 2006 | Suburban ShootoutSeries | Camilla Diamond | 41 |
| 2005 | Don't Crash: The Documentary of the Making of the Movie of the Book of the Radio Series of 'The Hitchhiker's Guide to the Galaxy'Movie | Self | 40 |
| 2004 | Agatha Christie's MarpleSeries | Lydia Horton | 39 |
| 2004 | HustleSeries | Wendy Stanton | 39 |
| 2004 | Agent Cody Banks 2: Destination LondonMovie | Jo Kenworth | 39 |
| 2004 | Roman RoadMovie | Maddy Bancroft | 39 |
| 2003 | The DreamersMovie | Mother | 38 |
| 2003 | 100 Greatest Sexy MomentsMovie | Narrator (voice) | 38 |
| 2003 | What a Girl WantsMovie | Glynnis Payne | 38 |
| 2002 | SpooksSeries | Juliet Shaw | 37 |
| 2002 | CrushMovie | Molly Cartwright | 37 |
| 2002 | Tipping the VelvetSeries | Diana Lethaby | 37 |
| 2001 | Waking the DeadSeries | Lucy Christie | 36 |
| 2001 | The CazaletsSeries | Diana Mackintosh | 36 |
| 2000 | RebusSeries | Amanda Morrison | 35 |
| 2000 | LongitudeMovie | Muriel Gould | 35 |
| 2000 | LongitudeSeries | Muriel Gould | 35 |
| 1999 | The ViceSeries | Dr Christina Weir | 34 |
| 1997 | The Man Who Knew Too LittleMovie | Barbara Ritchie | 32 |
| 1997 | FairyTale: A True StoryMovie | Peter Pan | 32 |
| 1996 | Silent WitnessSeries | — | 31 |
| 1996 | Cold LazarusSeries | Anna Griffiths | 31 |
| 1996 | KaraokeSeries | Anna Griffiths | 31 |
| 1995 | Kavanagh Q.C.Series | Julia Piper | 30 |
| 1994 | Four Weddings and a FuneralMovie | Henrietta | 29 |
| 1994 | Tom & VivMovie | Woman | 29 |
| 1993 | CenturyMovie | Woman in Police Station | 28 |
| 1990 | Jupiter MoonSeries | Mercedes Page | 25 |
| 1989 | Agatha Christie's PoirotSeries | Virginie Mesnard | 24 |
| 1987 | Inspector MorseSeries | Sally Smith | 22 |
| 1986 | CasualtySeries | Celia Morton | 21 |