Credits

• 2024 · My Lady Jane as Lady Frances Grey
• 2023 · Fifteen-Love as And Woodward
• 2022 · Stromboli as Diane
• 2022 · Mrs. Harris Goes to Paris as Lady Dant
• 2022 · Compulsion as Sasha
• 2022 · That Dirty Black Bag as Hellen
• 2022 · Hotel Portofino as Lady Latchmere
• 2021 · The Watch as Lord Vetinari
• 2020 · Come Away as Eleanor Morrow
• 2019 · Pennyworth: The Origin of Batman's Butler as Frances Gaunt
• 2019 · Benjamin as Tessa
• 2019 · For Love or Money as Carol
• 2019 · One Red Nose Day and a Wedding as Henrietta
• 2018 · Nativity Rocks! as Clara Hargreaves
• 2018 · The Happy Prince as Mrs. Arbuthnott
• 2018 · Ordeal by Innocence as Rachel Argyll
• 2018 · Trust as Penelope
• 2017 · Love of My Life as Grace
• 2016 · The Last Dragonslayer as Stuffco president
• 2016 · The Crown as Lady Rosse
• 2016 · This Beautiful Fantastic as Mrs Bramble
• 2016 · National Theatre Live: The Seagull as Irina Nikolaevna Arkadina
• 2016 · The Carer as Milly
• 2016 · New Blood as Eleanor Davies
• 2016 · Flowers as Viv
• 2015 · Testament of Youth as Mrs. Leighton
• 2014 · Mapp and Lucia as Emmeline 'Lucia' Lucas
• 2014 · Queen Victoria's Letters: A Monarch Unveiled as Queen Victoria
• 2014 · Inside No. 9 as Elizabeth
• 2014 · Fleming as Second Officer Monday
• 2013 · Private Lives as Amanda Prynne
• 2013 · How I Live Now as Aunt Penn
• 2013 · Confessions Of An Alien Abductee as Narrator
• 2013 · Shetland as Phyllis Brennan
• 2012 · A Touch of Cloth as Hope Goodgirl
• 2012 · Pramface as
• 2012 · We'll Take Manhattan as Lucie Clayton
• 2011 · Death in Paradise as Ciss Dacre
• 2011 · Celebrity Antiques Road Trip as Self - Participant
• 2011 · Hidden as Elspeth Verney
• 2011 · The Hour as Lix Storm
• 2011 · Hysteria as Mrs. Bellamy
• 2010 · Downton Abbey as Lady Anstruther
• 2010 · Critical Eye as Laura
• 2009 · Law & Order: UK as
• 2007 · Christmas at the Riviera as Diane
• 2007 · St. Trinian's as Miss Bagstock
• 2007 · Sherlock Holmes and the Baker Street Irregulars as Irene Adler
• 2007 · Lewis as Judith Suskin
• 2006 · Breaking and Entering as Kate
• 2006 · The Secret Life of Mrs. Beeton as Elizabeth Doring
• 2006 · Suburban Shootout as
• 2005 · A Waste of Shame: The Mystery of Shakespeare and His Sonnets as Anne Hathaway
• 2005 · Don't Crash: The Documentary of the Making of the Movie of the Book of the Radio Series of 'The Hitchhiker's Guide to the Galaxy' as Self
• 2005 · The Best Man as Dana
• 2005 · The Hitchhiker's Guide to the Galaxy as Questular Rontok
• 2004 · Roman Road as Maddy Bancroft
• 2004 · Agatha Christie's Marple as Lydia Horton
• 2004 · Agent Cody Banks 2: Destination London as Jo Kenworth
• 2004 · Hustle as Wendy Stanton
• 2003 · Wilde Stories: The Nightingale and the Rose as Professor's Daughter (voice)
• 2003 · The Dreamers as Mother
• 2003 · Fortysomething as
• 2003 · Doc Martin and the Legend of the Cloutie as Nicky Bowden
• 2003 · What a Girl Wants as Glynnis Payne
• 2002 · The Real Jane Austen as Presenter / Narrator
• 2002 · Tipping the Velvet as Diana Lethaby
• 2002 · Crush as Molly Cartwright
• 2002 · Spooks as Juliet Shaw
• 2001 · The Cazalets as Diana Mackintosh
• 2001 · Waking the Dead as Lucy Christie
• 2000 · Rebus as Amanda Morrison
• 2000 · Longitude as Muriel Gould
• 1999 · The Vice as Dr. Christine Weir
• 1999 · Heart as Nicole Farmer
• 1997 · The Man Who Knew Too Little as Barbara Ritchie
• 1997 · FairyTale: A True Story as Peter Pan
• 1996 · Cold Lazarus as Anna Griffiths
• 1996 · Karaoke as Anna Griffiths
• 1996 · Silent Witness as
• 1995 · Pride and Prejudice as Caroline Bingley
• 1995 · Kavanagh Q.C. as Julia Piper
• 1994 · Four Weddings and a Funeral as Henrietta
• 1990 · Jupiter Moon as
• 1989 · Agatha Christie's Poirot as Virginie Mesnard
• 1987 · Inspector Morse as Sally Smith
• 1986 · Casualty as Celia Morton
• Future · Outrageous as Sydney Bowles Mitford
• Future · The Girlfriend as Lilith
• 2000 · Longitude as Muriel Gould
• 1994 · Princess Caraboo as Mrs. Peake
• 1994 · Staggered as Carmen Svennipeg
• 1994 · Tom & Viv as Woman
• 1993 · Century as Woman in Police Station
• 1989 · Killing Dad (Or How to Love Your Mother) as Barmaid
• Future · Promenade as