Harriet Walter is an English actress, born on September 24, 1950, in London. She trained at LAMDA and established a distinguished stage career with the Royal Shakespeare Company. Her work in A Question of Geography, Twelfth Night and Three Sisters earned her the 1988 Olivier Award for Best Actress in a Revival. Walter later led the Donmar Warehouse's all-female Shakespeare trilogy as Brutus, Henry IV and Prospero. Her films include Sense and Sensibility, Atonement, The Young Victoria, Star Wars: The Force Awakens and The Last Duel. She played Natalie Chandler in Law & Order: UK, Lady Caroline Collingwood in Succession, Dasha in Killing Eve and Deborah in Ted Lasso, alongside roles in Downton Abbey, The Crown and This Is Going to Hurt. She stars as engineer Martha Walker in Apple TV's Silo. Walter was appointed a Dame Commander of the Order of the British Empire in 2011 for services to drama.
Known For
Credits
Cast Credits
Youth (2026)
Guest starring as Livonia Arbor
(4 episodes)
- Episode 1x08: Agent of the Year (Nov 1, 2026)
- Episode 1x07: Last Night on Earth (Oct 25, 2026)
- Episode 1x03: Welcome to the Rat's Nest (Sep 27, 2026)
- Episode 1x02: Wagon Burner (Sep 20, 2026)
Ponies (2026)
Guest starring as Manya Caplan
(4 episodes)
- Episode 1x08: The Stranger (Jan 15, 2026)
- Episode 1x05: Turn the Beat Around (Jan 15, 2026)
- Episode 1x04: Don't Go Breaking My Heart (Jan 15, 2026)
- Episode 1x01: Second Hand News (Jan 15, 2026)
Playing Gracie Darling (2025)
Starring as Pattie Grey
(6 episodes)
- Episode 1x06: Dies Irae (Aug 14, 2025)
- Episode 1x05: Nine of Swords (Aug 14, 2025)
- Episode 1x04: Let Me Out (Aug 14, 2025)
- Episode 1x03: Murmurations (Aug 14, 2025)
- Episode 1x02: Grey Starling (Aug 14, 2025)
- Episode 1x01: Darling Girl (Aug 14, 2025)
Archie: the man who became Cary Grant (2023)
Starring as Elsie Leach
(2 episodes)
Guest starring as Elsie Leach
- Episode 1x02: Episode 2 (Nov 23, 2023)
Silo (2023)
Starring as Martha Walker
(25 episodes)
- Episode 3x10: Troy (Sep 4, 2026)
- Episode 3x09: Farewell (Aug 28, 2026)
- Episode 3x08: Gray Goo (Aug 21, 2026)
- Episode 3x07: Radio (Aug 14, 2026)
- Episode 3x06: The Drive (Aug 7, 2026)
- Episode 3x05: Memory (Jul 31, 2026)
- Episode 3x02: It's All Good (Jul 10, 2026)
- Episode 2x10: Into the Fire (Jan 17, 2025)
- Episode 2x09: The Safeguard (Jan 10, 2025)
- Episode 2x08: The Book of Quinn (Jan 3, 2025)
- Episode 2x07: The Dive (Dec 27, 2024)
- Episode 2x06: Barricades (Dec 20, 2024)
- Episode 2x05: Descent (Dec 13, 2024)
- Episode 2x04: The Harmonium (Dec 6, 2024)
- Episode 2x03: Solo (Nov 27, 2024)
- Episode 2x02: Order (Nov 22, 2024)
- Episode 2x01: The Engineer (Nov 15, 2024)
- Episode 1x10: Outside (Jun 30, 2023)
- Episode 1x09: The Getaway (Jun 23, 2023)
- Episode 1x08: Hanna (Jun 16, 2023)
- Episode 1x06: The Relic (Jun 2, 2023)
- Episode 1x05: The Janitor’s Boy (May 26, 2023)
- Episode 1x04: Truth (May 19, 2023)
- Episode 1x03: Machines (May 12, 2023)
- Episode 1x02: Holston’s Pick (May 5, 2023)
Ted Lasso (2020)
Guest starring as Deborah Welton
(5 episodes)
- Episode 4x02: Curiouser and Curiouser! (Aug 12, 2026)
- Episode 3x12: So Long, Farewell (May 31, 2023)
- Episode 3x02: (I Don't Want to Go to) Chelsea (Mar 22, 2023)
- Episode 2x10: No Weddings and a Funeral (Sep 24, 2021)
- Episode 2x06: The Signal (Aug 27, 2021)
Alan Bennett's Talking Heads (2020)
Guest starring as Muriel
- Episode 1x03: Soldiering On (Jun 23, 2020)
The End (2020)
Starring as Edie Henley
(10 episodes)
- Episode 1x10: Picking Scabs (Apr 13, 2020)
- Episode 1x09: With Sparkles (Apr 6, 2020)
- Episode 1x08: Metastasized (Mar 30, 2020)
- Episode 1x07: Blood Sandwich (Mar 23, 2020)
- Episode 1x06: Art vs Life (Mar 16, 2020)
- Episode 1x05: To Be / Not to Be (Mar 9, 2020)
- Episode 1x04: Polar Bear (Mar 2, 2020)
- Episode 1x03: Fuck Christmas (Feb 24, 2020)
- Episode 1x02: Toxic Shock Syndrome (Feb 17, 2020)
- Episode 1x01: Do Not Resuscitate (Feb 10, 2020)
The Spanish Princess (2019)
Starring as Margaret Beaufort
(8 episodes)
- Episode 1x08: Destiny (Jun 23, 2019)
- Episode 1x07: All is Lost (Jun 16, 2019)
- Episode 1x06: A Polite Kidnapping (Jun 9, 2019)
- Episode 1x05: Heart Versus Duty (Jun 2, 2019)
- Episode 1x04: The Battle for Harry (May 26, 2019)
- Episode 1x03: An Audacious Plan (May 19, 2019)
- Episode 1x02: Fever Dream (May 12, 2019)
- Episode 1x01: The New World (May 5, 2019)
Black Earth Rising (2018)
Starring as Eve Ashby
(2 episodes)
- Episode 1x02: Looking at the Past (Sep 17, 2018)
- Episode 1x01: In Other News (Sep 10, 2018)
Succession (2018)
Guest starring as Caroline Collingwood
(7 episodes)
- Episode 4x10: With Open Eyes (May 28, 2023)
- Episode 4x09: Church and State (May 21, 2023)
- Episode 3x09: All the Bells Say (Dec 12, 2021)
- Episode 3x08: Chiantishire (Dec 5, 2021)
- Episode 2x07: Return (Sep 22, 2019)
- Episode 1x10: Nobody Is Ever Missing (Aug 5, 2018)
- Episode 1x09: Pre-Nuptial (Jul 29, 2018)
Killing Eve (2018)
Starring as Dasha Duzran
(7 episodes)
- Episode 3x08: Are You Leading or Am I? (May 31, 2020)
- Episode 3x07: Beautiful Monster (May 24, 2020)
- Episode 3x06: End of Game (May 17, 2020)
- Episode 3x04: Still Got It (May 3, 2020)
- Episode 3x03: Meetings Have Biscuits (Apr 26, 2020)
- Episode 3x02: Management Sucks (Apr 19, 2020)
- Episode 3x01: Slowly Slowly Catchy Monkey (Apr 12, 2020)
The Nightly Show (2017)
Guest starring as Harriet Walter
- Episode 1x27: Tommy Tiernan, Jamie Bamber, Dame Harriet Walter (Apr 5, 2017)
The Crown (2016)
Guest starring as Clemmie Churchill
(7 episodes)
- Episode 1x09: Assassins (Nov 4, 2016)
- Episode 1x07: Scientia Potentia Est (Nov 4, 2016)
- Episode 1x06: Gelignite (Nov 4, 2016)
- Episode 1x05: Smoke and Mirrors (Nov 4, 2016)
- Episode 1x04: Act of God (Nov 4, 2016)
- Episode 1x02: Hyde Park Corner (Nov 4, 2016)
- Episode 1x01: Wolferton Splash (Nov 4, 2016)
London Spy (2015)
Starring as Claire
(3 episodes)
- Episode 1x05: If This is a Lie (Dec 7, 2015)
- Episode 1x04: I Know (Nov 30, 2015)
- Episode 1x03: Blue (Nov 23, 2015)
Documentary Now! (2015)
Guest starring as Edwina
- Episode 4x03: Two Hairdressers in Bagglyport (Oct 19, 2022) [Special Guest Star]
The Assets (2014)
Starring as Jeanne Vertefeuile
(6 episodes)
- Episode 1x08: Avenger (Aug 3, 2014)
- Episode 1x07: The Straw Poll (Aug 3, 2014)
- Episode 1x06: Small Useless Truth (Jul 27, 2014)
- Episode 1x05: Check Mate (Jul 27, 2014)
- Episode 1x04: What's Done is Done (Jun 28, 2014)
- Episode 1x03: Trip to Vienna (Jun 21, 2014)
Law & Order: UK (2009)
Starring as Detective Inspector Natalie Chandler
(39 episodes)
- Episode 6x07: Fault Lines (Feb 17, 2012)
- Episode 6x06: Dawn Till Dusk (Feb 10, 2012)
- Episode 6x05: Line Up (Feb 3, 2012)
- Episode 6x04: Trial (Jan 27, 2012)
- Episode 6x03: Haunted (Jan 20, 2012)
- Episode 6x02: Immune (Jan 13, 2012)
- Episode 6x01: Survivor's Guilt (Jan 6, 2012)
- Episode 5x06: Deal (Aug 14, 2011)
- Episode 5x05: Intent (Aug 7, 2011)
- Episode 5x04: Tick Tock (Jul 31, 2011)
- Episode 5x03: Crush (Jul 24, 2011)
- Episode 5x02: Safe (Jul 17, 2011)
- Episode 5x01: The Wrong Man (Jul 10, 2011)
- Episode 4x06: Skeletons (Apr 11, 2011)
- Episode 4x05: Shaken (Apr 4, 2011)
- Episode 4x04: Duty of Care (Mar 28, 2011)
- Episode 4x03: ID (Mar 21, 2011)
- Episode 4x02: Denial (Mar 14, 2011)
- Episode 4x01: Help (Mar 7, 2011)
- Episode 3x07: Anonymous (Oct 21, 2010)
- Episode 3x06: Masquerade (Oct 14, 2010)
- Episode 3x05: Survivor (Oct 7, 2010)
- Episode 3x04: Confession (Sep 30, 2010)
- Episode 3x03: Defence (Sep 23, 2010)
- Episode 3x02: Hounded (Sep 16, 2010)
- Episode 3x01: Broken (Sep 9, 2010)
- Episode 2x06: Honour Bound (Feb 15, 2010)
- Episode 2x05: Love and Loss (Feb 8, 2010)
- Episode 2x04: Sacrifice (Feb 1, 2010)
- Episode 2x03: Community Service (Jan 25, 2010)
- Episode 2x02: Hidden (Jan 18, 2010)
- Episode 2x01: Samaritan (Jan 11, 2010)
- Episode 1x07: Alesha (Apr 6, 2009)
- Episode 1x06: Paradise (Mar 30, 2009)
- Episode 1x05: Buried (Mar 23, 2009)
- Episode 1x04: Unsafe (Mar 16, 2009)
- Episode 1x03: Vice (Mar 9, 2009)
- Episode 1x02: Unloved (Mar 2, 2009)
- Episode 1x01: Care (Feb 23, 2009)
Guest starring as Detective Inspector Natalie Chandler
- Episode 8x04: Pride (Apr 2, 2014)
10 Days to War (2008)
Guest starring as Anne Campbell
- Episode 1x07: Failure is Not an Option (Mar 18, 2008)
The Andrew Marr Show (2007)
Guest starring as Harriet Walter
- Episode 2020-03-15: 15/03/2020 (Mar 15, 2020)
Doctor Who (2005)
Guest starring as Jo Patterson
- Episode S12 Special: Revolution of the Daleks (Jan 1, 2021)
Agatha Christie's Marple (2004)
Guest starring as Duchess of Malfi
- Episode 2x01: Sleeping Murder (Feb 5, 2006)
Loose Women (1999)
Guest starring as Harriet Walter
(2 episodes)
- Episode 14x211: 01/07/10 - Anna Richardson, Harriet Walter (Jul 1, 2010)
- Episode 13x99: 29/01/09 - Paris Hilton, Harriet Walter (Jan 29, 2009)
Midsomer Murders (1998)
Guest starring as Margaret Winstanley
- Episode 8x03: Orchis Fatalis (Jan 9, 2005)
Guest starring as Diana Davenport
- Episode 15x04: Death and the Divas (Jan 2, 2013)
Trial & Retribution (1997)
Guest starring as The Judge
- Episode 10x06: Paradise Lost (2) (Jan 29, 2007)
Harry Enfield & Chums (1994)
Guest starring as Various
- Episode S02 Special: Harry Enfield's Yule Log Chums (Dec 28, 1998)
Agatha Christie Poirot (1989)
Guest starring as Miss Bulstrode
- Episode 11x02: Cat Among the Pigeons (Sep 21, 2008)
A Dorothy L. Sayers Mystery (1987)
Starring as Harriet Vane
(10 episodes)
- Episode 3x03: Episode 3 (May 27, 1987)
- Episode 3x02: Episode 2 (May 20, 1987)
- Episode 3x01: Gaudy Night: Episode One (May 13, 1987)
- Episode 2x04: Episode 4 (May 6, 1987)
- Episode 2x03: Episode 3 (Apr 29, 1987)
- Episode 2x02: Episode 2 (Apr 22, 1987)
- Episode 2x01: Have His Carcase: Episode One (Apr 15, 1987)
- Episode 1x03: Episode 3 (Apr 8, 1987)
- Episode 1x02: Episode 2 (Apr 1, 1987)
- Episode 1x01: Strong Poison: Episode One (Mar 25, 1987)
Inspector Morse (1987)
Guest starring as Dr. Esther Martin
- Episode 7x02: The Day of the Devil (Jan 13, 1993)