| Year | Film | Role |
| 1966 | A Man For All Seasons | Anne Boleyn |
| 1988 | A Man for All Seasons | Lady Alice More |
| 1995 | A Month by the Lake | Miss Bentley |
| 1970 | A Mother with Two Children Expecting Her Third | |
| 1973 | A Picture of Katherine Mansfield | Katherine Mansfield |
| 1969 | A Quiet Place in the Country | Flavia |
| 2000 | A Rumor of Angels | Maddy Bennett |
| 1993 | A Wall of Silence | Kate Benson |
| 1979 | Agatha | Agatha Christie |
| 2011 | Anonymous | Queen Elizabeth |
| 2007 | Atonement | Older Briony Tallis |
| 1979 | Bear Island | Heddi Lindguist |
| 1958 | Behind the Mask | Pamela Gray |
| 1997 | Bella Mafia | Graziella Luciano |
| 1966 | Blowup | Jane |
| 1990 | Breath of Life | Sister Crucifix |
| 2003 | Byron | Lady Melbourne |
| 1967 | Camelot | Guinevere |
| 1986 | Comrades | Mrs. Carlyle |
| 1988 | Consuming Passions | Mrs. Garza |
| 2011 | Coriolanus | Volumnia |
| 1999 | Cradle Will Rock | Countess Constance LaGrange |
| 2002 | Crime and Punishment | Rodian’s Mother |
| 1998 | Deep Impact | Robin Lerner |
| 1997 | Déjà Vu | Skelly |
| 1970 | Dropout | Mary |
| 2008 | Ein Job | Hannah Silbergrau |
| 2009 | Eva | Eva |
| 2007 | Evening | Ann Lord |
| 1999 | Girl, Interrupted | Dr. Sonia Wick |
| 2003 | Good Boy! | The Greater Dane |
| 1993 | Great Moments in Aviation | Dr. Angela Bead |
| 2008 | Gud, lukt och henne | |
| 2007 | How About You | Georgia Platts |
| 1992 | Howards End | Ruth Wilcox |
| 2000 | If These Walls Could Talk 2 | Edith Tress (segment “1961”) |
| 1968 | Isadora | Isadora Duncan |
| 2001 | Jack and the Beanstalk: The Real Story | Countess Wilhelmina/Narrator |
| 1977 | Julia | Julia |
| 2010 | Letters to Juliet | Claire Smith |
| 1994 | Little Odessa | Irina Shapira |
| 1998 | Lulu on the Bridge | Catherine Moore |
| 1971 | Mary, Queen of Scots | Mary, Queen of Scots |
| 2010 | Miral | Bertha Spafford |
| 2000 | Mirka | Kalsan |
| 1996 | Mission: Impossible | Max |
| 1966 | Morgan: A Suitable Case for Treatment | Leonie Delt |
| 1994 | Mother’s Boys | Lydia Madigan |
| 1997 | Mrs. Dalloway | Mrs. Clarissa Dalloway |
| 1974 | Murder on the Orient Express | Mary Debenham |
| 1982 | My Body, My Child | Leenie Cabrezi |
| 2004 | Nip/Tuck | Dr. Erica Noughton |
| 1969 | Oh! What a Lovely War | Sylvia Pankhurst |
| 1990 | Orpheus Descending | Lady Torrance |
| 1975 | Out of Season | Ann |
| 1986 | Peter the Great | Sophia |
| 1981 | Playing for Time | Fania Fenelon |
| 1990 | Pokhorony Stalina | English journalist |
| 1987 | Prick Up Your Ears | Peggy Ramsay |
| 2008 | Restraint | Sky News Reader |
| 1990 | Romeo and Juliet | Mother Capulet |
| 2002 | Searching for Debra Winger | Herself |
| 1986 | Second Serve | Richard Radley / Renee Richards |
| 2005 | Short Order | Marianne |
| 1983 | Sing Sing | Queen |
| 1997 | Smilla’s Sense of Snow | Elsa Lubing |
| 1993 | Sparrow | Sister Agata |
| 1985 | Steaming | Nancy |
| 1991 | The Ballad of the Sad Cafe | Miss Amelia |
| 1984 | The Bostonians | Olive Chancellor |
| 1968 | The Charge of the Light Brigade | Mrs. Clarissa Morris |
| 2009 | The Day of the Triffids | Durrant |
| 1971 | The Devils | Sister Jeanne |
| 2004 | The Fever | Woman |
| 2002 | The Gathering Storm | Clementine Churchill |
| 1993 | The House of The Spirits | Nivea del Valle |
| 2005 | The Keeper: The Legend of Omar Khayyam | The Heiress |
| 2002 | The Locket | Esther Huish |
| 2001 | The Pledge | Annalise Hansen |
| 2007 | The Riddle | Roberta Elliot |
| 1968 | The Sea Gull | Nina |
| 1976 | The Seven-Per-Cent Solution | Lola Deveraux |
| 2006 | The Shell Seekers | Penelope Keeling |
| 2006 | The Thief Lord | Sister Antonia |
| 1971 | The Trojan women | Andromache |
| 2010 | The Whistleblower | Madeleine Rees |
| 2005 | The White Countess | Vera Belinskya |
| 1993 | They | Florence Latimer |
| 1985 | Three Sovereigns for Sarah | Sarah Cloyce |
| 1996 | Two Mothers for Zachary | Nancy Shaffell |
| 1999 | Uninvited | Mrs Ruttenburn |
| 1971 | Vacation | Immacolata Meneghelli |
| 2006 | Venus | Valerie |
| 1983 | Wagner | Cosima Wagner |
| 1985 | Wetherby | Jean Travers |
| 1991 | What Ever Happened to Baby Jane? | Blanche Hudson |
| 1997 | Wilde | Lady Speranza Wilde |
| 1979 | Yanks | Helen |
| 1991 | Young Catherine | Empress Elizabeth |