| Bridget Jones: Mad About the Boy (2025) As Dr. Rawlings | (Not seen) |
| What's Love Got to Do with It? (2022) As Cath | (Not seen) |
| Roald Dahl's Matilda the Musical (2022) As Miss Trunchbull | (Not seen) |
| Good Luck to You, Leo Grande (2022) As Nancy Stokes | (Not seen) |
| Cruella (2021) As The Baroness | (Not seen) |
| Dolittle (2020) As Poly (voice) | (Not seen) |
| Last Christmas (2019) As Petra Andrich | (Not seen) |
| Men in Black: International (2019) As Agent O | (Not seen) |
| Johnny English Strikes Again (2018) As Prime Minister | (Not seen) |
| The Meyerowitz Stories (2017) (AKA "The Meyerowitz Stories (New and Selected)") As Maureen Meyerowitz | (Not seen) |
| Beauty and the Beast (2017) As Mrs. Potts | (Not seen) |
| Burnt (2015) As Dr. Rosshilde | (Not seen) |
| Men, Women & Children (2014) As Narrator (voice) | (Not seen) |
| The Love Punch (2013) As Kate | (Not seen) |
| Saving Mr. Banks (2013) As P.L. Travers | (Not seen) |
| Men in Black 3 (2012) (AKA "M.I.B 3") As Agent O | (Not seen) |
| Brave (2012) As Elinor (voice) | (Not seen) |
| Harry Potter and the Deathly Hallows: Part 2 (2011) As Sybill Trelawney | (Not seen) |
| An Education (2009) As Headmistress | (Not seen) |
| The Boat That Rocked (2009) (AKA "Pirate Radio") As Charlotte | (Not seen) |
| Brideshead Revisited (2008) As Lady Marchmain | (Not seen) |
| Last Chance Harvey (2008) As Kate Walker | (Not seen) |
| I Am Legend (2007) As Dr. Alice Krippin | (Not seen) |
| Harry Potter and the Order of the Phoenix (2007) As Sybil Trelawney | (Not seen) |
| Stranger Than Fiction (2006) (AKA "Killing Harold Crick") As Karen Eiffel | (Not seen) |
| Nanny McPhee (2005) As Nanny McPhee | (Not seen) |
| Harry Potter and the Prisoner of Azkaban (2004) As Sybill Trelawney | (Not seen) |
| Love Actually (2003) (AKA "Love Actually Is All Around") As Karen | (Not seen) |
| Treasure Planet (2002) As Captain Amelia (voice) | (Not seen) |
| Wit (2001) As Vivian Bearing | (Not seen) |
| Primary Colors (1998) As Susan Stanton | (Not seen) |
| Carrington (1995) As Dora Carrington | (Not seen) |
| Sense and Sensibility (1995) As Elinor Dashwood | (Not seen) |
| My Father the Hero (1994) (AKA "My father, ce heros") As Isabel (uncredited) | (Not seen) |
| Junior (1994) As Dr. Diana Reddin | (Not seen) |
| The Remains of the Day (1993) As Miss Kenton | (Not seen) |
| Much Ado About Nothing (1993) As Beatrice | (Not seen) |
| In the Name of the Father (1993) As Gareth Peirce | (Not seen) |
| Howards End (1992) As Margaret Schlegel | (Not seen) |
| Dead Again (1991) As Margaret Strauss / Grace | (Not seen) |
| Henry V (1989) As Katherine | (Not seen) |