| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 2025 | Love Left the Masquerade: Peter Medak's Cinema of Pretenders | Archive | |
| 2023 | A Grande Fuga | Irene Jordan | |
| 2021 | O Domingo das Mães | Jane (Older) | |
| 2021 | Mothers of the Revolution | Narrator (voice) | |
| 2019 | Onde Está Elizabeth? | Maud Palmer Horsham | |
| 2017 | Miranda: Morecambe & Wise and Me | Self | |
| 2012 | Ken Russell: A Bit of a Devil | Self | |
| 2011 | Eric & Ernie: Behind the Scenes | Self (archive footage) (uncredited) | |
| 2001 | The Best of Morecambe and Wise | Self (archive footage) | |
| 1994 | A Wave of Passion: The Life of Alexandra Kollontai | Alexandra Kollontai (voice) | |
| 1992 | The Secret Life of Arnold Bax | Harriet Cohen | |
| 1991 | The House of Bernarda Alba | Bernarda | |
| 1991 | A Murder of Quality | Alisa Brimley | |
| 1990 | King of the Wind | Queen Caroline | |
| 1990 | The Real Story of Humpty Dumpty | Glitch the Witch (voice) | |
| 1989 | The Rainbow | Anna Brangwen | |
| 1989 | Doombeach | Miss Ricketts | |
| 1988 | Strange Interlude | Nina Leeds | |
| 1988 | Salome's Last Dance | Herodias / Lady Alice | |
| 1987 | Além da Terapia | Charlotte | |
| 1987 | Business as Usual | Babs Flynn | |
| 1985 | Turtle Diary | Neaera Duncan | |
| 1984 | Sakharov | Yelena Bonner | |
| 1983 | O Retorno do Soldado | Margaret Grey | |
| 1982 | Giro City | Sophie | |
| 1982 | Let Poland Be Poland | Self - Co-Host | |
| 1981 | The Patricia Neal Story | Patricia Neal | |
| 1981 | Blood Donors | Self | |
| 1980 | O Espião Trapalhão | Isobel | |
| 1980 | Política do Corpo e Saúde | Isabella Garnell | |
| 1979 | Um Toque de Humor | Tricia | |
| 1979 | Os Alunos da Sra. McMichael | Conor MacMichael | |
| 1978 | Stevie | Stevie Smith | |
| 1978 | Um Viúvo Trapalhão | Ann Atkinson | |
| 1977 | Nasty Habits | Sister Alexandra | |
| 1976 | The Incredible Sarah | Sarah Bernhardt | |
| 1975 | Hedda | Hedda | |
| 1975 | A Inglesa Romântica | Elizabeth | |
| 1975 | The Maids | Solange | |
| 1974 | Il sorriso del grande tentatore | Sister Geraldine | |
| 1973 | Um Toque de Classe | Vicki Allessio | |
| 1973 | Bequest to the Nation | Lady Hamilton | |
| 1972 | Trágica Decisão | Alice Charlesworth | |
| 1971 | Mary Stuart, Rainha da Escócia | Queen Elizabeth | |
| 1971 | O Boyfriend | Rita Monroe | |
| 1971 | Domingo Maldito | Alex Greville | |
| 1971 | Delírio de Amor | Antonina 'Nina' Milyukova | |
| 1971 | The Pacemakers: Glenda Jackson | Self | |
| 1969 | Mulheres Apaixonadas | Gudrun Brangwen | |
| 1968 | Negatives | Vivien | |
| 1968 | Let's Murder Vivaldi | Julie | |
| 1968 | Tell Me Lies | Glenda | |
| 1967 | Which of These Two Ladies Is He Married To? | Claire Foley | |
| 1967 | A Perseguição e o Assassinato de Jen-Paul Marat Desempenhados Pelos Loucos do Asilo de Charenton Sob a Direção do Marquês de Sade | Charlotte Corday | |
| 1967 | The Benefit of the Doubt | Self | |
| 1967 | Opus | Charlotte Corday (Marat/Sade) | |
| 1965 | Horror of Darkness | Cathy | |
| 1963 | O Pranto de um Ídolo | Singer at Party (uncredited) | |
| 1956 | The Extra Day | Extra (uncredited) | |
| - | Midnight Men: A John Schlesinger and Michael Childers Story | - |