Highlights
- Helena Bonham Carter plays Lady Caterham in Netflix’s adaptation of Seven Dials
- The role has been gender-swapped from the original Agatha Christie novel
- Former Doctor Who showrunner Chris Chibnall leads the adaptation
- The series launches on Netflix on January 15
Helena Bonham Carter takes on a Christie character with a twist
Helena Bonham Carter is entering the world of Agatha Christie in a way audiences have not seen before. The acclaimed actor plays Lady Caterham in Netflix’s adaptation of Seven Dials, a role originally written as Lord Caterham in the novel. The change, approved by the Christie estate, is part of writer Chris Chibnall’s reworking of the 1925 mystery.
Set during a lavish country house party in 1920s England, the story follows a practical joke that spirals into a dangerous mystery, altering the course of several lives.
A fragile matriarch shaped by loss
Bonham Carter says the psychological depth of Lady Caterham drew her to the part. The character is defined by grief following the loss of her husband and son, leaving her emotionally fragile and largely withdrawn from society. Gardening becomes her refuge, while responsibility is forced upon her as she takes on the role of head of the household.
She explains that Lady Caterham leans heavily on her daughter, Lady Eileen ‘Bundle’ Brent, played by Mia McKenna-Bruce. Their relationship blurs traditional roles, with mother and daughter at times acting as each other’s guardians.
Stuck in the shadow of war
Although the series is set during the Roaring Twenties, Bonham Carter notes that her character is emotionally frozen in 1915, the year she lost her son. The wider impact of the First World War hangs over the story, with its absence of young men shaping both the household and Lady Caterham’s state of mind. The result, she says, is a woman out of step with an era marked by celebration and change.
Chris Chibnall’s playful take on Christie
Writer and producer Chris Chibnall, a lifelong Agatha Christie fan, wanted the adaptation to balance wit, pace and surprise. Bonham Carter believes his version keeps the spirit of Christie while introducing inventive twists, saying the story still manages to wrong-foot viewers despite the familiarity of the genre.
She adds that the ending caught her off guard, even as it remained true to Christie’s style of storytelling.
A lifelong admiration for Agatha Christie
Bonham Carter has long been drawn to Christie’s work and has previously spoken of her wish to play Miss Marple. She recalls Death on the Nile as an early influence and describes Christie as endlessly fascinating, particularly her background as a wartime nurse and her detailed knowledge of poisons, which informed many of her plots.
Ensemble cast led by Martin Freeman
The series also stars Martin Freeman as Superintendent Battle. Freeman has praised the chance to work alongside Bonham Carter, calling her brilliant and citing his admiration for her work since his teenage years. The cast brings together established names and emerging talent to support the central mystery.
Agatha Christie’s Seven Dials premieres on Netflix on Thursday, January 15.













