- H Is for Hawk
2025 Mum
- National Theatre Live: Dear Octopus
2024 Dora
- Last Call
2023 Kate
- Call Me Back
2023 Grace
- Doctor Jekyll
2023 Sandra Poole
- A Banquet
2022 June
- No Ordinary Joe
2021 Marion Barbara "Joe" Carstairs
- Made in Italy
2020 Kate
- My Zoe
2019 Kathy
- Blackbird
2019 Liz
- Little Joe
2019 Psychotherapist
- National Theatre Live: Hansard
2019 Diana Hesketh
- November 1st
2019 Bonnie
- Gifted
2017 Evelyn Adler
- Carnage: Swallowing the Past
2017 Maude
- Alice Through the Looking Glass
2016 Helen Kingsleigh
- Churchill's Secret
2016 Clemmie Churchill
- He Does Not Want Peace
2016 Rachel Englebright
- Birdman or (The Unexpected Virtue of Ignorance)
2014 Tabitha
- Last Passenger
2013 Elaine Middleton
- About Time
2013 Mum
- Le Week-End
2013 Meg Burrows
- Lawless
2013 Lady Justice MacNeil
- Amish: A Secret Life
2012 Narrator (voice)
- Christopher and His Kind
2011 Kathleen Isherwood
- Alice in Wonderland
2010 Helen Kingsleigh
- Burlesque Fairytales
2010 Ice Queen
- Margot
2009 Madam
- Margaret
2009 Margaret Thatcher
- Doctor Who: The Waters of Mars
2009 Captain Adelaide Brooke
- Frankenstein
2007 Jane Pretorius
- Longford
2006 Lady Elizabeth Longford
- Starter for 10
2006 Rose Harbison
- The Queen of Sheba's Pearls
2004 Audrey Pretty
- Under the Tuscan Sun
2003 Katherine
- AfterLife
2003
- Hamilton Mattress
2002 Beryl / Gertrude (voice)
- Witness of Truth: The Railway Murders
2001 Narrator
- Dirty Tricks
2000 Alison
- Victoria Wood with All the Trimmings
2000 Pauline
- Mansfield Park
1999 Mrs. Price / Lady Bertram
- Star Wars: Episode I - The Phantom Menace
1999 TC-14 (voice)
- An Ideal Husband
1999 Lady Markby
- Expelling the Demon
1999 Woman
- A Midsummer Night's Dream
1996 Hippolyta / Titania
- City Hall
1996 Sydney Pappas
- Rumer Godden: An Indian Affair
1995 Narrator
- Body Parts
1991 Dr. Agatha Webb
- Redemption
1991 Kath Peachey
- The Reflecting Skin
1990 Dolphin Blue
- These Foolish Things
1989 Gutrune Day
- The Childeater
1989 Eirwen
- Manifesto
1988 Lily Sachor
- Prick Up Your Ears
1987 Anthea Lahr
- Loose Connections
1984 Sally
- Rainy Day Women
1984 Karen Miller
- Samson and Delilah
1984 Alice
- On Approval
1982 Helen
- Grown-Ups
1980 Mrs Butcher
- The Winkler
1979 Diane
- Further Up Pompeii
1975 Scrubba
- Daughter of Eden
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