- Charlie vs. the Chocolate Factory
2027 (voice)
- The Land of Sometimes
2026 Mediocris (voice)
- Enola Holmes 3
2026 Eudoria Holmes
- Ian Fleming and the Curse of James Bond
2026 Readings
- Four Letters of Love
2025 Margaret Gore
- The Velveteen Rabbit
2023 Wise Horse (voice)
- One Life
2023 Babi Winton
- Enola Holmes 2
2022 Eudoria Holmes
- The House
2022 Jen (voice)
- Dragonheart: Vengeance
2021 Siveth (voice)
- Alice: Curiouser and Curiouser
2021 Red Queen (archive footage) (uncredited)
- Enola Holmes
2020 Eudoria Holmes
- Cinderella: A Comic Relief Pantomime for Christmas
2020 Lady Devilla
- Clown
2020 Narrator (voice)
- Tintoretto: A Rebel in Venice
2019 Narrator (voice)
- Ocean's Eight
2018 Rose Weil
- Sgt. Stubby: An American Hero
2018 Margaret Conroy (voice)
- 55 Steps
2018 Executive Producer
- Poles Apart
2017 Nanuk (voice)
- Alice Through the Looking Glass
2016 Iracebeth / Red Queen
- Wild Africa / Tiny Giants
2016 Narrator (Wild Africa)
- Suffragette
2015 Edith Ellyn
- Wild Africa
2015 Narrator
- Cinderella
2015 Fairy Godmother
- Turks & Caicos
2014 Margot Tyrell
- Salting the Battlefield
2014 Margot Tyrell
- Night Will Fall
2014 Narrator (voice)
- The Lone Ranger
2013 Red Harrington
- The Young and Prodigious T.S. Spivet
2013 Dr. Clair
- Burton and Taylor
2013 Elizabeth Taylor
- Dark Shadows
2012 Dr. Julia Hoffman
- Les Misérables
2012 Madame Thénardier
- Great Expectations
2012 Miss Havisham
- The Price of Kings: Shimon Peres
2012 Narrator
- The Price of Kings: Yasser Arafat
2012 Narrator
- Harry Potter and the Deathly Hallows: Part 2
2011 Bellatrix Lestrange
- The Gruffalo's Child
2011 Mother Squirrel (voice)
- Discovering Hamlet
2011 Ophelia (archive footage)
- Alice in Wonderland
2010 Iracebeth / Red Queen
- Harry Potter and the Deathly Hallows: Part 1
2010 Bellatrix Lestrange
- Toast
2010 Mrs Potter
- The King's Speech
2010 Queen Elizabeth
- Terminator Salvation
2009 Serena
- Harry Potter and the Half-Blood Prince
2009 Bellatrix Lestrange
- The Gruffalo
2009 Mother Squirrel (voice)
- Enid
2009 Enid Blyton
- Harry Potter and the Order of the Phoenix
2007 Bellatrix Lestrange
- Sweeney Todd: The Demon Barber of Fleet Street
2007 Mrs. Lovett
- Sixty Six
2006 Esther Rubens
- Conversations with Other Women
2006 Woman
- Charlie and the Chocolate Factory
2005 Mrs. Bucket
- Wallace & Gromit: The Curse of the Were-Rabbit
2005 Lady Campanula Tottington (voice)
- Corpse Bride
2005 Corpse Bride (voice)
- Magnificent 7
2005 Maggi Jackson
- The Heart of Me
2004 Dinah
- Lemony Snicket's A Series of Unfortunate Events
2004 Beatrice Baudelaire (uncredited)
- Big Fish
2003 Jenny (young & senior) / The Witch
- Live from Baghdad
2002 Ingrid Formanek
- Till Human Voices Wake Us
2002 Ruby
- Planet of the Apes
2001 Ari
- Novocaine
2001 Susan
- Women Talking Dirty
2001 Cora
- Football
2001 Mum
- Carnivale
2000 Milly (voice)
- The Theory of Flight
1999 Jane Hatchard
- Fight Club
1999 Marla Singer
- The Revengers' Comedies
1998 Karen Knightly
- The Wings of the Dove
1997 Kate Croy
- Keep the Aspidistra Flying
1997 Rosemary
- Twelfth Night
1996 Olivia
- Shadow Play
1996 Ada
- Mighty Aphrodite
1995 Amanda
- Margaret's Museum
1995 Margaret MacNeil
- Mary Shelley's Frankenstein
1994 Elizabeth
- Butter
1994 Dorothy
- Fatal Deception: Mrs. Lee Harvey Oswald
1993 Marina Oswald
- Rik Mayall Presents: Dancing Queen
1993 Pandora / Julie
- Howards End
1992 Helen Schlegel
- White Bear's Secret
1992 White Bear (voice)
- Where Angels Fear to Tread
1991 Caroline Abbott
- Brown Bear's Wedding
1991 White Bear (voice)
- Hamlet
1990 Ophelia
- Beatrix: The Early Life of Beatrix Potter
1990 Beatrix Potter
- Francesco
1989 Chiara
- Getting It Right
1989 Minerva Munday
- Arms and the Man
1989 Raina Petkoff
- The Mask
1988 Iris
- A Hazard of Hearts
1987 Serena Staverley
- Maurice
1987 Young Lady at Cricket Match (uncredited)
- The Vision
1987 Jo Marriner
- Lady Jane
1986 Lady Jane Grey
- A Room with a View
1986 Lucy Honeychurch
- A Pattern of Roses
1983 Netty (The Past)
- The Offing
Dulcie Piper
- The Housekeeper
Adelaide
