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Death Valley, Industry and Sewing Bee stars confirmed for new Parliament lockdown TV thriller from Bad Wolf

Timothy Spall and Harry Lawtey are amongst those joining Damson Idris in the political thriller.

Images of Timothy Spall and Harry Lawtey at different events, put side by side.

Karwai Tang/WireImage

Published: Thursday, 9 July 2026 at 3:25 pm

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Following the news earlier this year that Damson Idris will star in a new Netflix political thriller, The Lords' Day, the show's wider cast has been confirmed, including some well-known British stars.

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Deadline first reported that Harry Lawtey (Industry, Joker: Folie à Deux), Arsema Thomas (Queen Charlotte: A Bridgerton Story), Sophie Willan (The Great British Sewing Bee), Gemma Whelan (Game of Thrones, Killing Eve) and Timothy Spall (Death Valley) have all joined the six-part series.

Idris, who starred in last year's film F1 and has had key roles in series such as Snowfall and Black Mirror, leads the cast as British secret services agent Harry Jones.

The synopsis for the series, which is based on the novel of the same name by Michael Dobbs, the author behind House of Cards, says: "On the State Opening of Parliament, British spy Harry Jones (Idris) finds himself inside the iconic building amidst a lockdown."

Damson Idris, wearing a suit and sat in an armchair, reading the script for The Lords' Day.

Damson Idris. Dana Scruggs

The synopsis continues: "As the siege escalates, loyalties are tested and selfless sacrifices are made, leading to a desperate fight for survival where not everyone will emerge alive. Can Harry use his skills and training to be the country’s saviour?"

The Netflix thriller comes from Bad Wolf, the production company behind Industry, The Other Bennet Sister and, until recently, Doctor Who.

Sam Vincent and Jonathan Brackley (Better) will serve as lead writers and executive producers, while Ben Chanan, the creator of The Capture and director of its first season, will serve as director and executive producer on The Lords' Day.

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The series joins a growing slate of original UK dramas at Netflix, including its next Harlan Coben adaptation, The Woods, starring Michelle Keegan and Tom Bateman.

The Lords' Day is coming to Netflix. You can sign up to Netflix from £5.99 a month. Netflix is also available on Sky TV and Virgin Media.

Add The Lords' Day to your watchlist on the Radio Times: What to Watch app – download now for daily TV recommendations, features and more.

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Authors

Black and white cut-out portrait headshot of James Hibbs, smiling against a lime green background.

James HibbsDrama Writer

James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.

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