Filmography88 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Call the Midwife: Sisters in ArmsSeries | Sister Julienne / Narrator (voice) | 74 |
| 2016 | Harry Hill's Tea TimeSeries | Self | 64 |
| 2015 | Nicolas Roeg: It's About Time...Movie | Self | 63 |
| 2014 | Captain America: The Winter SoldierMovie | Councilwoman Hawley | 62 |
| 2014 | The KumarsSeries | Self | 62 |
| 2012 | The AvengersMovie | World Security Council | 60 |
| 2012 | Call the MidwifeSeries | Sister Julienne | 60 |
| 2012 | True LoveSeries | Holly's Mum | 60 |
| 2012 | The MapmakerMovie | Isabel | 60 |
| 2011 | Golden BrownMovie | Sarah | 59 |
| 2010 | Burke & HareMovie | Lucy | 58 |
| 2009 | Glorious 39Movie | Maud | 57 |
| 2009 | Moving OnSeries | Jean | 57 |
| 2009 | Beware the Moon: Remembering 'An American Werewolf in London'Movie | Self | 57 |
| 2009 | Monday MondaySeries | Jenny | 57 |
| 2007 | Irina PalmMovie | Jane | 55 |
| 2006 | Heroes and VillainsMovie | June | 54 |
| 2006 | Working with a Master: John LandisMovie | Self | 54 |
| 2005 | The Perfect Scary MovieMovie | Self | 53 |
| 2004 | New TricksSeries | Yvonne Barrie | 52 |
| 2004 | The Alan Clark DiariesSeries | Jane Clark | 52 |
| 2004 | Agatha Christie's MarpleSeries | Agnes Crackenthorpe | 52 |
| 2004 | Number One, Longing. Number Two, RegretMovie | Kenosha | 52 |
| 2002 | SpooksSeries | Tessa Phillips | 50 |
| 2002 | The Inspector Lynley MysteriesSeries | Jemma Sanderson | 50 |
| 1997 | Midsomer MurdersSeries | Isobel Chettham | 45 |
| 1996 | Rosamunde Pilcher: SeptemberMovie | Isobel | 44 |
| 1996 | Noel's Telly YearsSeries | Self | 44 |
| 1995 | BramwellSeries | Mrs. Bruce | 43 |
| 1995 | The BuccaneersSeries | Idina Hatton | 43 |
| 1994 | Romeo and JulietMovie | Lady Capulet | 42 |
| 1994 | The All New Alexei Sayle ShowSeries | — | 42 |
| 1992 | HeartbeatSeries | Susannah Temple-Richards | 40 |
| 1992 | Shakespeare: The Animated TalesSeries | Hermoine (voice) | 40 |
| 1991 | The Diamond BrothersSeries | Louise Mayer | 39 |
| 1990 | Dream OnSeries | Ellen | 38 |
| 1990 | DarkmanMovie | Burn Doctor (uncredited) | 38 |
| 1990 | King of the WindMovie | Hannah Coke | 38 |
| 1990 | The OutsidersSeries | Maria Rogers | 38 |
| 1990 | Child's Play 2Movie | Joanne Simpson | 38 |
| 1990 | Not a Penny More, Not a Penny LessMovie | Jill Albery | 38 |
| 1989 | Agatha Christie's PoirotSeries | Adela Marchmont | 37 |
| 1989 | SnoopsSeries | Veronica Hughes | 37 |
| 1988 | Dear JohnSeries | Sarah | 36 |
| 1988 | Red DwarfSeries | Professor Mamet | 36 |
| 1987 | The Grand Knockout TournamentMovie | Self | 35 |
| 1987 | Dark TowerMovie | Carolyn Page | 35 |
| 1985 | The EqualizerSeries | Lauren Demeter | 33 |
| 1985 | Silas MarnerMovie | Nancy Lammeter | 33 |
| 1985 | The Twilight ZoneSeries | Morgan Le Fay (segment "The Last Defender of Camelot") | 33 |
| 1984 | Murder, She WroteSeries | Margo Claymore | 32 |
| 1984 | Secret PlacesMovie | Miss Lowrie | 32 |
| 1982 | Miss RightMovie | Purse Snatching Victim (uncredited) | 30 |
| 1981 | Be Pretty and Shut Up!Movie | Self | 29 |
| 1981 | AmyMovie | Amy Medford | 29 |
| 1981 | The SurvivorMovie | Hobbs | 29 |
| 1981 | Late Flowering LoveMovie | — | 29 |
| 1981 | An American Werewolf in LondonMovie | Nurse Alex Price | 29 |
| 1981 | OthelloMovie | Desdemona | 29 |
| 1980 | Magnum, P.I.Series | Krista Villeroch | 28 |
| 1980 | DominiqueMovie | Ann Ballard | 28 |
| 1979 | The Riddle of the SandsMovie | Clara Dollmann | 27 |
| 1979 | Mayflower: The Pilgrims' AdventureMovie | Priscilla Mullins | 27 |
| 1979 | School PlayMovie | Miss Jackson | 27 |
| 1978 | China 9, Liberty 37Movie | Catherine Sebanek | 26 |
| 1977 | The Man in the Iron MaskMovie | Louise de La Vallière | 25 |
| 1977 | EquusMovie | Jill Mason | 25 |
| 1976 | The Eagle Has LandedMovie | Molly Prior | 24 |
| 1976 | A Look Into the 23rd CenturyMovie | Self | 24 |
| 1975 | ShadowsSeries | Sue | 23 |
| 1974 | PlayhouseSeries | Miss P. Jackson | 22 |
| 1974 | The Six Million Dollar ManSeries | Dr. Leah Russell | 22 |
| 1974 | Dinah!Series | Self | 22 |
| 1973 | ThrillerSeries | Dominie Lanceford | 21 |
| 1972 | A War of ChildrenMovie | Maureen Tomelty | 20 |
| 1972 | ShelleyMovie | Mary Shelley | 20 |
| 1971 | WalkaboutMovie | Girl | 19 |
| 1971 | Film '72Series | Self | 19 |
| 1971 | The Ten CommandmentsSeries | Bess Clark | 19 |
| 1970 | The Railway ChildrenMovie | Roberta 'Bobbie' Waterbury | 18 |
| 1970 | I Start CountingMovie | Wynne | 18 |
| 1968 | Star!Movie | Pamela Roper (uncredited) | 16 |
| 1968 | Gates to ParadiseMovie | Maud de Cloyes | 16 |
| 1967 | Boy Meets GirlSeries | Joanna | 15 |
| 1965 | BBC Play of the MonthSeries | Hedvig Ekdal | 13 |
| 1965 | BBC Play of the MonthSeries | Anya | 13 |
| 1965 | The NewcomersSeries | Kirsty Kerr | 13 |
| 1951 | Hallmark Hall of FameSeries | Frith | — |