A brand-new adaptation of an Agatha Christie classic has just landed on Netflix, promising to be the perfect weekend binge for mystery lovers. Agatha Christie’s Seven Dials began streaming on Thursday, 15th January 2026, bringing a fresh take on the Queen of Crime's 1929 novel, The Seven Dials Mystery.
A Star-Studded Line-Up for a Classic Mystery
The three-part series, penned by acclaimed writer Chris Chibnall of Broadchurch and Doctor Who fame, transports viewers to the stately home of Chimneys. The story follows the young and glamorous Lady Eileen 'Bundle' Brent as she investigates a deadly prank gone wrong after a lavish party, unravelling a complex web of secret societies and betrayal.
Leading the impressive ensemble is Mia McKenna-Bruce, who takes on the role of the inquisitive socialite, Bundle. McKenna-Bruce, a BAFTA Rising Star Award winner for How to Have Sex, is supported by a roster of Britain's finest acting talent.
Iconic actress Helena Bonham Carter portrays Bundle's mother, Lady Caterham. Meanwhile, Martin Freeman steps into the shoes of the investigating officer, Superintendent Battle, adding another detective role to his esteemed career following Sherlock.
Familiar Faces in the Guest List
The cast of party guests and suspects is equally dazzling. Edward Bluemel, known as Maeve's brother in Sex Education, plays the caddish Jimmy Thesiger. Nabhaan Rizwan (Kaos) appears as Ronnie Devereux, a Foreign Office employee caught up in the intrigue.
Other notable names in the extensive cast include:
- Corey Mylchreest (Queen Charlotte: A Bridgerton Story) as Gerry Wade.
- Ella-Rae Smith (Foundation) as Loraine Wade.
- Alex Macqueen (Peaky Blinders) as George Lomax.
- Mark Lewis Jones (Outlander) and Dorothy Atkinson (Call the Midwife) as Sir Oswald and Lady Maria Coote.
In a poignant cameo, Iain Glen of Game of Thrones appears as Bundle's father, Lord Caterham, whose death in Europe precedes the main events of the story.
Production and Release
Filmed across picturesque locations in Bristol and the West Country, the series offers a visually stunning backdrop to the twisting plot. With all episodes available at once, Agatha Christie’s Seven Dials is now ready to stream in its entirety on Netflix, offering a compelling new entry into the world of British period detective drama.
