 | Mary Oliver: Saved by the Beauty of the World (2026) as Self |
 | Enola Holmes 3 (2026) as Eudoria Holmes |
 | The Land of Sometimes (2026) as Mediocris (voice) |
 | Four Letters of Love (2025) as Margaret Gore |
 | Merchant Ivory (2024) as Self |
 | Tim Burton: Life in the Line (2024) as Self |
 | Charles III: The Coronation Year (2023) as Self - Narrator (voice) |
 | One Life (2023) as Babi Winton |
 | imagine… Russell T Davies: The Doctor and Me (2023) as Self |
 | The Velveteen Rabbit (2023) as Wise Horse (voice) |
 | The Real Nolly (2023) as Self - Narrator (voice) |
 | Three Minutes: A Lengthening (2022) as Self - Narrator (voice) |
 | Enola Holmes 2 (2022) as Eudoria Holmes |
 | Stephen Sondheim's Old Friends (2022) as Self |
 | The House (2022) as Jen (voice) |
 | Harry Potter 20th Anniversary: Return to Hogwarts (2022) as Self |
 | Alice: Curiouser and Curiouser (2021) as Red Queen (archive footage) (uncredited) |
 | Hannibal Hopkins et Sir Anthony (2021) as Self (archive footage) |
 | Dragonheart: Vengeance (2021) as Siveth (voice) |
 | The Gruffalo and Me: The Remarkable Julia Donaldson (2020) as reader |
 | Clown (2020) as Narrator (voice) |
 | Cinderella: A Comic Relief Pantomime for Christmas (2020) as Lady Devilla |
| | The Magical World of Julia Donaldson (2020) as Self - Readings |
 | Enola Holmes (2020) as Eudoria Holmes |
 | Children In Need 2019: Got It Covered (2019) as Self |
 | E. M. Forster: His Longest Journey (2019) as Self |
 | Tintoretto - Un ribelle a Venezia (2019) as Narrator (voice) |
| | Reimagining The Met Gala (2018) as Self |
 | Ocean's Team 3.0 (2018) as Self |
 | Ocean's Eight (2018) as Rose Weil |
 | Sgt. Stubby: An American Hero (2018) as Margaret Conroy (voice) |
 | 55 Steps (2018) as Eleanor Riese |
 | Poles Apart (2017) as Nanuk |
 | Wild Africa / Tiny Giants (2016) as Narrator (Wild Africa) |
 | Alice Through the Looking Glass (2016) as Iracebeth / Red Queen |
 | Suffragette (2015) as Edith Ellyn |
 | Cinderella (2015) as Fairy Godmother |
 | Wild Africa (2015) as Narrator |
 | Harry Potter: The Making of Diagon Alley (2014) as Self |
 | Night Will Fall (2014) as Narrator (voice) |
 | Le train où vont les choses (2014) as Self |
 | Salting the Battlefield (2014) as Margot Tyrell |
 | Turks & Caicos (2014) as Margot Tyrell |
 | The Young and Prodigious T.S. Spivet (2013) as Dr. Clair |
 | Burton and Taylor (2013) as Elizabeth Taylor |
 | The Lone Ranger (2013) as Red Harrington |
 | Don't Say No Until I Finish Talking: The Story of Richard D. Zanuck (2013) as Self |
 | Les Misérables (2012) as Madame Thénardier |
 | Great Expectations (2012) as Miss Havisham |
 | Dark Shadows: The Collinses - Every Family Has Its Demons (2012) as Self |
 | Dark Shadows (2012) as Dr. Julia Hoffman |
| | The Price of Kings: Shimon Peres (2012) as Narrator |
| | The Price of Kings: Yasser Arafat (2012) as Narrator |
 | The Gruffalo's Child (2011) as Mother Squirrel (voice) |
 | When Harry Left Hogwarts (2011) as Self |
 | Discovering Hamlet (2011) as Ophelia (archive footage) |
 | Harry Potter and the Deathly Hallows: Part 2 (2011) as Bellatrix Lestrange |
 | Toast (2010) as Mrs Potter |
 | The King's Speech (2010) as Queen Elizabeth |
 | Harry Potter and the Deathly Hallows: Part 1 (2010) as Bellatrix Lestrange |
| | Alice in Wonderland: Finding Alice (2010) as Self |
| | Alice in Wonderland: The Mad Hatter (2010) as Self |
 | Alice in Wonderland: Effecting Wonderland (2010) as Self |
 | Alice in Wonderland (2010) as Iracebeth / Red Queen |
 | The Gruffalo (2009) as Mother Squirrel (voice) |
 | Enid (2009) as Enid Blyton |
 | Harry Potter and the Half-Blood Prince (2009) as Bellatrix Lestrange |
 | Terminator Salvation (2009) as Serena |
| | Sweeney Todd: The Demon Barber of Fleet Street - Burton + Carter + Depp = Todd (2008) as Self |
 | Sweeney Todd: The Demon Barber of Fleet Street (2007) as Mrs. Lovett |
 | Harry Potter and the Order of the Phoenix (2007) as Bellatrix Lestrange |
 | Sixty Six (2006) as Esther Rubens |
 | Conversations with Other Women (2006) as Woman |
 | Magnificent 7 (2005) as Maggi Jackson |
 | Wallace & Gromit: The Curse of the Were-Rabbit (2005) as Lady Campanula Tottington (voice) |
 | Corpse Bride (2005) as Corpse Bride (voice) |
 | Charlie and the Chocolate Factory (2005) as Mrs. Bucket |
 | Lemony Snicket's A Series of Unfortunate Events (2004) as Beatrice Baudelaire (uncredited) |
 | The Heart of Me (2004) as Dinah |
 | Big Fish (2003) as Jenny (young & senior) / The Witch |
 | Celebrity Naked Ambition (2003) as Self (archive footage) |
 | Live from Baghdad (2002) as Ingrid Formanek |
 | Till Human Voices Wake Us (2002) as Ruby |
 | Women Talking Dirty (2001) as Cora |
 | Novocaine (2001) as Susan |
 | Planet of the Apes (2001) as Ari |
 | Football (2001) as Mum |
 | Fight Club: Behind the Scenes (2000) as Self |
 | Carnivale (2000) as Milly (voice) |
 | Fight Club (1999) as Marla Singer |
 | The Theory of Flight (1999) as Jane Hatchard |
 | The Revengers' Comedies (1998) as Karen Knightly |
 | Keep the Aspidistra Flying (1997) as Rosemary |
 | The Wings of the Dove (1997) as Kate Croy |
 | Twelfth Night (1996) as Olivia |
 | Portraits chinois (1996) as Ada |
 | Margaret's Museum (1995) as Margaret MacNeil |
 | Mighty Aphrodite (1995) as Amanda |
 | Mary Shelley's Frankenstein (1994) as Elizabeth |
 | Butter (1994) as Dorothy |
 | Fatal Deception: Mrs. Lee Harvey Oswald (1993) as Marina Oswald |
 | Rik Mayall Presents: Dancing Queen (1993) as Pandora / Julie |
 | White Bear's Secret (1992) as White Bear (voice) |
 | Howards End (1992) as Helen Schlegel |
 | Brown Bear's Wedding (1991) as White Bear (voice) |
 | Where Angels Fear to Tread (1991) as Caroline Abbott |
 | Hamlet (1990) as Ophelia |
 | Beatrix: The Early Life of Beatrix Potter (1990) as Beatrix Potter |
 | Getting It Right (1989) as Minerva Munday |
 | Arms and the Man (1989) as Raina Petkoff |
 | Francesco (1989) as Chiara |
 | La maschera (1988) as Iris |
 | A Hazard of Hearts (1987) as Serena Staverley |
 | The Vision (1987) as Jo Marriner |
 | Maurice (1987) as Young Lady at Cricket Match (uncredited) |
 | A Room with a View (1986) as Lucy Honeychurch |
 | Lady Jane (1986) as Lady Jane Grey |
 | A Pattern of Roses (1983) as Netty (The Past) |
| | The Offing as Dulcie Piper |
| | The Well of Saint Nobody as Tara |
| | Not Bloody Likely as Mrs. Patrick Campbell |
| | James Ivory: In Search of Love and Beauty as Self |
| | The Housekeeper as Adelaide |
| | 55 Steps Executive Producer |
