| The Miracle Club (2023)As Lily Fox | (Not seen) |
| Downton Abbey: A New Era (2022)As Violet Crawley | (Not seen) |
| Harry Potter 20th Anniversary: Return to Hogwarts (2022) | (Not seen) |
| Downton Abbey (2019)As Violet Crawley | (Not seen) |
| The Best Exotic Marigold Hotel (2011) (AKA "The Best Exotic Marigold Hotel for the Elderly & Beautiful")As Muriel Donnelly | (Not seen) |
| Harry Potter and the Deathly Hallows: Part 2 (2011)As Minerva McGonagall | (Not seen) |
| Gnomeo & Juliet (2011)As Lady Bluebury (voice) | (Not seen) |
| Harry Potter and the Half-Blood Prince (2009) (AKA "HP and the HBP")As Minerva McGonagall | (Not seen) |
| Becoming Jane (2007)As Lady Gresham | (Not seen) |
| Harry Potter and the Order of the Phoenix (2007)As Minerva McGonagall | (Not seen) |
| Keeping Mum (2005)As Grace Hawkins | (Not seen) |
| Harry Potter and the Goblet of Fire (2005)As Minerva McGonagall | (Not seen) |
| Ladies in Lavender. (2004) (AKA "Ladies in Lavender")As Janet | (Not seen) |
| Harry Potter and the Prisoner of Azkaban (2004)As Minerva McGonagall | (Not seen) |
| Harry Potter and the Chamber of Secrets (2002) (AKA "Incident on 57th Street")As Professor McGonagall | (Not seen) |
| Gosford Park (2001)As Constance Trentham | (Not seen) |
| Harry Potter and the Philosopher's Stone (2001)As Minerva McGonagall | (Not seen) |
| Tea with Mussolini (1999)As Lady Hester Random | (Not seen) |
| Curtain Call (1998)As Lily Marlowe | (Not seen) |
| The First Wives Club (1996)As Gunilla Garson Goldberg | (Not seen) |
| Richard III (1995)As Duchess of York | (Not seen) |
| The Secret Garden (1993)As Mrs. Medlock | (Not seen) |
| Sister Act 2: Back in the Habit (1993)As Mother Superior | (Not seen) |
| Sister Act (1992)As Mother Superior | (Not seen) |
| Hook (1991)As Granny Wendy | (Not seen) |
| A Room with a View (1985)As Charlotte Bartlett | (Not seen) |
| Evil Under the Sun (1982)As Daphne Castle | (Not seen) |
| Clash of the Titans (1981)As Thetis | (Not seen) |
| California Suite (1978)As Diana Barrie | (Not seen) |
| Death on the Nile (1978)As Miss Bowers | (Not seen) |
| Murder by Death (1976)As Dora Charleston | (Not seen) |
| Oh! What a Lovely War (1969)As Music Hall Star | (Not seen) |
| The Prime of Miss Jean Brodie (1969)As Jean Brodie | (Not seen) |