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Netflix mystery series Agatha Christie’s Seven Dials unveils trailer and images

November 4, 2025 by Amie Cranswick

Netflix has debuted the first trailer and images for Agatha Christie’s Seven Dials, the three-part mystery drama series from writer Chris Chibnall (Broadchurch).

Mia McKenna-Bruce (How To Have Sex) stars as Lady Eileen ‘Bundle’ Brent, a young sleuth who sets out to investigate a playful prank which lead to murder, unravelling a chilling plot and a dangerous web of secrets in the country manor.

Joining McKenna-Bruce in the cast are Helena Bonham Carter as Lady Caterham, Martin Freeman as Battle, Corey Mylchreest as Gerry Wade, Ed Bluemel as Jimmy Thesinger, and Nabhaan Rizwan as Ronnie Devereux. Check out the trailer and images below…

England. 1925. At a lavish country house party, a practical joke appears to have gone horribly, murderously wrong. It will be up to the unlikeliest of sleuths – the fizzingly inquisitive Lady Eileen ‘Bundle’ Brent – to unravel a chilling plot that will change her life, cracking wide open the country house mystery.

Agatha Christie’s Seven Dials arrives on Netflix on January 15th.

Filed Under: Amie Cranswick, News, Television, Trailers Tagged With: Agatha Christie, Agatha Christie's Seven Dials, Corey Mylchreest, Ed Bluemel, Helena Bonham Carter, Martin Freeman, Mia McKenna-Bruce, Nabhaan Rizwan

About Amie Cranswick

Amie Cranswick has been part of Flickering Myth’s editorial and management team for over a decade. She has a background in publishing and copyediting and has served as Editor-in-Chief of FlickeringMyth.com since 2023.

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