Cast & creator
Diana Quick
Best known for Midsomer Murders, Midsomer Murders, Agatha Christie's Poirot
Diana Marilyn Quick is an English actress known for playing British aristocrats.
Also known as: Diana Marilyn Quick, Diane Quick
42
film credits
35
television credits
76
1964–2026 · acting roles
6.7
average across scored titles
Signature credits
Known for
Across film & television
Filmography (77)
Showing 77 of 77 credits
Midsomer Murders
Clare Bonavita
1997Midsomer Murders
Hermione Lancaster
1997
Agatha Christie's Poirot
Mrs. Welman
1989
The Wednesday Play
Geraldine
1964
Father Brown
Lady Cecily
2013
Lewis
Gwen Raeburn
2007
Practical Magic 2
Margaret
2026
New Tricks
Julia Eldridge
2004
Inspector Morse
Hilary Stephens
1987
Law & Order: UK
2009
Dalziel and Pascoe
ACC Stella Applegarth
1996
The Protectors
Claire Thornton
2009
ScreenPlay
Tullia
1986
Kolchak: The Night Stalker
Ariel
1974
Silk
Justice Elizabeth Frank
2011
Centre Play
Bo
1973
The Protectors
Anna De Santos
1972
Kingdom
Janet Cramer
2007
Houdini & Doyle
Cecilia Weiss
2016
Brideshead Revisited
Lady Julia Flyte
1981
The Death of Stalin
Polina Molotova
2017
Case Histories
Miriam Baker
2011
The Complete and Utter History of Britain
1969
Doctor Who: Scream of the Shalka
Prime (voice)
2003
The Famous Five
Mrs Wentworth
2023
Napoleon and Love
Eléonore
1974
The Living and the Dead
Sylvia
2016
The Queen
The Queen
2009
Sensitive Skin
Cheryl
2005
Alice, Darling
Thanks
2022
The Duellists
Laura
1977
Bedtime Stories
Anna Carpenter
1974Private Affairs
Peg Woffington
1975
Saving Grace
Honey
2000
Nicholas and Alexandra
Sonya
1971
Dandelion Dead
Marion Glassford-Gale
1994
The Affair of the Necklace
Madame Pomfré
2001
The Big Sleep
Mona Grant
1978
Clarissa
Lady Betty
1991
The Justice Game
Kate Fielding
1989
The Woman in White
Marian Halcombe
1982
Amaretti
Lenny
2026
Max My Love
Camille
1986
The Discovery of Heaven
Sophia Brons
2001
Ordeal by Innocence
Gwenda Vaughan
1984
Rasputin
Grand Duchess Ella
1996
The Leading Man
Susan
1996
Vroom
Susan
1988
Doctor Who: The Scream of the Shalka
Prime
2003
The Curse of Kirrin Island
Mrs. Wentworth
2023
The Orchid House
Madam
1991Christ Recrucified
Lenio
1969Mr. Garrick and Mrs. Woffington
Mrs. Woffington
1975
The Phantom of the Opera
Madame Bianchi
1983
Cariani and the Courtesans
Tullia
1987
AKA
Lady Gryffoyn
2002
Revengers Tragedy
The Duchess
2002
Forever Young
Robyn Smith
2024
Vigo
Emily
1998
Nostradamus
Diane de Poitiers
1994
Nineteen Nineteen
Anna
1985
Revisiting Brideshead
Self
2005
A Christmas Carol
Ghost of Christmas Past (voice)
1971
The Price of the Bride
Alice Daltrey
1990Mother's Milk
Kettle
2011
Tikkun Olam
2022The Three Hostages
Mary Hannay
1977
Compassion
Lady
2013
Love/Loss
Angela
2010
The Odd Job
Fiona Harris
1978
Wilt
Sally
1989
Trent 2 Rent
Nanna
2008
Side by Side
Joan Dunbar
2013Chekhov in Yalta
Olga Knipper
1988Catwalk Dogs
Mrs Jessop, Guy's mother
2007Brighton Storeys
2025
A Private Enterprise
Penny
1975