Filmography67 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | Innes Lloyd: The ProducerMovie | Self - Narrator (voice) | 79 |
| 2024 | A Family AffairMovie | Margaret | 78 |
| 2015 | EveSeries | Mary Douglas | 69 |
| 2013 | Crossing LinesSeries | Jane Clerkenwell | 67 |
| 2013 | I Give It a YearMovie | Diana | 67 |
| 2012 | Them From That ThingSeries | Various | 66 |
| 2012 | StellaSeries | — | 66 |
| 2009 | Ghosts in the MachineMovie | Herself | 63 |
| 2008 | MaestroSeries | Self | 62 |
| 2007 | The Sarah Jane AdventuresSeries | Andrea Yates | 61 |
| 2007 | Death at a FuneralMovie | Sandra | 61 |
| 2006 | Waterloo RoadSeries | Margaret Harker | 60 |
| 2006 | The Maidens' ConspiracyMovie | Empress | 60 |
| 2006 | A for AndromedaMovie | Professor Madeleine Dawnay | 60 |
| 2005 | Revisiting BridesheadMovie | Self | 59 |
| 2004 | Agatha Christie's MarpleSeries | Mrs. Lester | 58 |
| 2004 | New TricksSeries | — | 58 |
| 2003 | 100 Greatest Scary MomentsSeries | — | 57 |
| 2001 | CrossroadsSeries | — | 55 |
| 1993 | Hollywood U.K.: British Cinema in the SixtiesSeries | Self | 47 |
| 1993 | Closing NumbersMovie | Anna | 47 |
| 1991 | Murder Most HorridSeries | Lydia Howling | 45 |
| 1991 | Tonight at 8.30Series | Laura Jesson | 45 |
| 1989 | Agatha Christie's PoirotSeries | Lady Mary | 43 |
| 1989 | Paris by NightMovie | Pauline | 43 |
| 1988 | Scarfe's FolliesMovie | — | 42 |
| 1987 | Daytime LiveSeries | — | 41 |
| 1985 | DreamchildMovie | Mrs. Liddell | 39 |
| 1985 | Hands Up!Movie | Self (1981 footage) | 39 |
| 1984 | Success Is the Best RevengeMovie | Bank Manager | 38 |
| 1984 | Surprise, SurpriseSeries | Self | 38 |
| 1981 | Brideshead RevisitedSeries | Celia Ryder | 35 |
| 1981 | Six Fifty-Five SpecialSeries | Self | 35 |
| 1979 | Tales of the UnexpectedSeries | Jane | 33 |
| 1978 | HazellSeries | Georgina Gunning | 32 |
| 1975 | Rumpole of the BaileySeries | Kathy | 29 |
| 1973 | Wessex TalesSeries | Lucy Saville | 27 |
| 1973 | 2nd HouseSeries | Bertha in Comrades | 27 |
| 1972 | Henry VIII and His Six WivesMovie | Jane Seymour | 26 |
| 1972 | The AdventurerSeries | Sarah Cookson | 26 |
| 1972 | The Stone TapeMovie | Jill Greeley | 26 |
| 1971 | Deep EndMovie | Susan | 25 |
| 1970 | The GoodiesSeries | Caroline Kook | 24 |
| 1970 | The Buttercup ChainMovie | Margaret | 24 |
| 1969 | ITV Saturday Night TheatreSeries | Martha Washbrook | 23 |
| 1968 | The Dick Cavett ShowSeries | Self - Guest | 22 |
| 1968 | Journey to the UnknownSeries | Marielle | 22 |
| 1968 | The Winter's TaleMovie | Perdita | 22 |
| 1967 | Half Hour StorySeries | Elaine Porter | 21 |
| 1966 | AlfieMovie | Annie | 20 |
| 1965 | BBC Play of the MonthSeries | Melinda | 19 |
| 1965 | BBC Play of the MonthSeries | Thea Elvsted | 19 |
| 1965 | Knock on Any DoorSeries | Lynda Lampard | 19 |
| 1965 | The Mill on the FlossSeries | Maggie Tulliver | 19 |
| 1964 | CrossroadsSeries | — | 18 |
| 1964 | The Masque of the Red DeathMovie | Francesca | 18 |
| 1964 | The Brothers KaramazovSeries | Lise Khokhlakov | 18 |
| 1963 | 24-Hour CallSeries | Caroline Bullivant | 17 |
| 1962 | The SaintSeries | Ellen Chase | 16 |
| 1962 | Out of This WorldSeries | Lee Cross | 16 |
| 1962 | The Prince and the PauperMovie | Lady Jane Grey | 16 |
| 1956 | The BuccaneersSeries | Girl | 10 |
| 1956 | Charley MoonMovie | Benesta | 10 |
| 1955 | The Adventures of Robin HoodSeries | Alice, 1st Small Girl | 9 |
| 1955 | The Quatermass XperimentMovie | Little Girl (uncredited) | 9 |
| 1954 | The Wonderful World of DisneySeries | Lady Jane Grey | 8 |
| 1954 | Third Party RiskMovie | Girl (uncredited) | 8 |