(2003) The Dreamers

as Mother

(1994) Four Weddings and a Funeral

as Henrietta

(2007) St. Trinian's

as Miss Bagstock

(1989) Killing Dad (Or How to Love Your Mother)

as Barmaid

(2005) The Hitchhiker's Guide to the Galaxy

as Questular Rontok

(1997) The Man Who Knew Too Little

as Barbara Ritchie

(2003) Doc Martin and the Legend of the Cloutie

as Nicky Bowden

(1997) FairyTale: A True Story

as Peter Pan

(2002) Crush

as Molly Cartwright

(1994) Staggered

as Carmen Svennipeg

(2007) Christmas at the Riviera

as Diane

(2013) How I Live Now

as Aunt Penn

(2005) A Waste of Shame: The Mystery of Shakespeare and His Sonnets

as Anne Hathaway

(2002) The Real Jane Austen

as Presenter / Narrator

(2013) Private Lives

as Amanda Prynne

(2013) Confessions Of An Alien Abductee

as Narrator

(2003) Wilde Stories: The Nightingale and the Rose

as Professor's Daughter (voice)

(2014) Testament of Youth

as Mrs. Leighton

(2016) National Theatre Live: The Seagull

as Irina Nikolaevna Arkadina

(2022) Stromboli

as Diane

(2016) This Beautiful Fantastic

as Mrs Bramble

(2003) What a Girl Wants

as Glynnis Payne

(2007) Sherlock Holmes and the Baker Street Irregulars

as Irene Adler

(2005) The Best Man

as Dana

(2006) Breaking and Entering

as Kate

(1993) Century

as Woman in Police Station

(2004) Agent Cody Banks 2: Destination London

as Jo Kenworth

Promenade

as ---

(2016) The Carer

as Milly

(2012) We'll Take Manhattan

as Lucie Clayton

(2006) The Secret Life of Mrs. Beeton

as Elizabeth Doring

(2004) Roman Road

as Maddy Bancroft

(2000) Longitude

as Muriel Gould

(2017) Love of My Life

as Grace

(2016) The Last Dragonslayer

as Stuffco president

(1999) Heart

as Nicole Farmer

(2018) The Happy Prince

as Mrs. Arbuthnott

(1994) Tom & Viv

as Woman

(2011) Hysteria

as Mrs. Bellamy

(2010) Critical Eye

as Laura

(2019) For Love or Money

as Carol

(2018) Nativity Rocks!

as Clara Hargreaves

(2019) One Red Nose Day and a Wedding

as Henrietta

(2020) Come Away

as Eleanor Morrow

(2019) Benjamin

as Tessa

(1994) Princess Caraboo

as Mrs. Peake

(2022) Mrs. Harris Goes to Paris

as Lady Dant

(2014) Queen Victoria's Letters: A Monarch Unveiled

as Queen Victoria

(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

(1995) Pride and Prejudice

as Caroline Bingley

(1996) Silent Witness

as ---

(1987) Inspector Morse

as Sally Smith

(2002) Spooks

as Juliet Shaw

(1996) Karaoke

as Anna Griffiths

(1995) Kavanagh Q.C.

as Julia Piper

(2004) Agatha Christie's Marple

as Lydia Horton

(2009) Law & Order: UK

as ---

(2006) Suburban Shootout

as ---

(1990) Jupiter Moon

as ---

(2003) Fortysomething

as ---

(1989) Agatha Christie's Poirot

as Virginie Mesnard

(1999) The Vice

as Dr. Christine Weir

(2012) Pramface

as ---

(2001) The Cazalets

as Diana Mackintosh

(2011) The Hour

as Lix Storm

(2011) Hidden

as Elspeth Verney

(2014) Fleming

as Second Officer Monday

(2000) Rebus

as Amanda Morrison

(2012) A Touch of Cloth

as Hope Goodgirl

(2014) Inside No. 9

as Elizabeth

(2004) Hustle

as Wendy Stanton

(2016) New Blood

as Eleanor Davies

(2016) Flowers

as Viv

(2001) Waking the Dead

as Lucy Christie

(2022) Hotel Portofino

as Lady Latchmere

(1986) Casualty

as Celia Morton

(2014) Mapp and Lucia

as Emmeline 'Lucia' Lucas

(2010) Downton Abbey

as Lady Anstruther

(2022) Compulsion

as Sasha

(2018) Ordeal by Innocence

as Rachel Argyll

(2016) The Crown

as Lady Rosse

(2022) That Dirty Black Bag

as Hellen

(1996) Cold Lazarus

as Anna Griffiths

(2002) Tipping the Velvet

as Diana Lethaby

(2018) Trust

as Penelope

(2011) Celebrity Antiques Road Trip

as Self - Participant

(2007) Lewis

as Judith Suskin

(2000) Longitude

as Muriel Gould

(2013) Shetland

as Phyllis Brennan

(2011) Death in Paradise

as Ciss Dacre

(2023) Fifteen-Love

as And Woodward

(2024) My Lady Jane

as Lady Frances Grey

(2021) The Watch

as Lord Vetinari

Outrageous

as Sydney Bowles Mitford

The Girlfriend

as Lilith

(2019) Pennyworth: The Origin of Batman's Butler

as Frances Gaunt