Filmography
| Year | Title | Role |
| 2023 | My Mother's Wedding (2025) | Diana Frost |
| 2022 | Two Tickets to Greece (2023) | Bijou |
| 2020 | Rebecca (2020) | Mrs. Danvers |
| 2020 | Final Set (2021) | Judith Edison |
| 2019 | Military Wives (2020) | Kate |
| 2018 | Tomb Raider (2018) | Ana Miller |
| 2018 | Au bout des doigts | La Comtesse |
| 2017 | Darkest Hour | Clementine Churchill |
| 2017 | The Party (2018) | Janet |
| 2014 | My Old Lady | Chloé Girard |
| 2014 | My Life Directed by Nicolas Winding Refn | Self |
| 2014 | Suite française | Madame Angellier |
| 2013 | Only God Forgives | Crystal |
| 2013 | The Invisible Woman | Mrs. Ternan |
| 2013 | Avant l'hiver | Lucie |
| 2012 | Bel Ami | Virginie Walters |
| 2012 | In the House | Jeanne Germain |
| 2012 | Looking for Hortense | Iva Delusi |
| 2011 | The Woman in the Fifth | Margit |
| 2011 | Salmon Fishing in the Yemen | Patricia Maxwell |
| 2010 | Love Crime | Christine |
| 2010 | Elle s'appelait Sarah | Julia Armond |
| 2009 | Confessions of a Shopaholic | Alette Naylor |
| 2009 | Nowhere Boy | Mimi Smith |
| 2009 | Leaving | Suzanne |
| 2008 | The Other Boleyn Girl | Lady Elizabeth |
| 2008 | I've Loved You So Long | Juliette |
| 2008 | Easy Virtue (Luxury Seating) | Mrs. Whittaker |
| 2008 | Largo Winch 2 | Ann Ferguson |
| 2007 | The Walker | Lynn Lockner |
| 2007 | The Golden Compass | Stelmaria |
| 2006 | Keeping Mum | Gloria Goodfellow |
| 2006 | The Valet | Christine Levasseur |
| 2006 | Tell No One | Hélène Perkins |
| 2005 | Chromophobia | Actor |
| 2001 | Life as a House | Robin |
| 2001 | Gosford Park | Lady Sylvia McCordle |
| 2000 | Up At The Villa | Mary Panton |
| 1999 | Random Hearts | Kay Chandler |
| 1998 | The Horse Whisperer | Annie MacLean |
| 1996 | Microcosmos | Narrator |
| 1996 | Mission: Impossible | Sarah Davies |
| 1996 | The English Patient | Katharine Clifton |
| 1995 | Le confessionnal | Assistant to Hitchcock |
| 1995 | Angels and Insects | Matty Crompton |
| 1994 | Four Weddings and a Funeral | Fiona (Wedding one) |
| 1994 | An Unforgettable Summer | Marie-Thérèse Von Debretsy |
| 1992 | Bitter Moon | Fiona |
| 1988 | A Handful of Dust | Brenda Last |
| 1988 | The Tenth Man (1998) | Therese Mangeot |
| 1987 | Agent Trouble | Julie |
| 1986 | Under the Cherry Moon | Mary Sharon |
