🕰️Agatha Christie’s Seven Dials — All You Need to Know (Release Date, Cast, Plot & Where to Watch)

If you love locked-room mysteries, razor-sharp dialogue, and period glamour, circle January 15 on your calendar. Agatha Christie’s Seven Dials lands on Netflix as a three-part, high-style adaptation scripted by Chris Chibnall (creator of Broadchurch), directed by Chris Sweeney, and anchored by Mia McKenna-Bruce as the irrepressible Lady Eileen “Bundle” Brent. Think country-house pranks that go deadly wrong, a web of high-society secrets — and one clever young sleuth determined to untangle it all.

When a playful prank turns deadly, a fearless young woman must uncover the truth before time runs out.

Netflix is bringing the timeless intrigue of Agatha Christie to a new generation with Agatha Christie’s Seven Dials — a dazzling, danger-filled mystery adapted by Broadchurch creator Chris Chibnall and starring Mia McKenna-Bruce, Helena Bonham Carter, and Martin Freeman.

Premiering January 15, 2026, this three-part series promises a modern take on Christie’s wit, suspense, and sophisticated storytelling — the kind of prestige drama that keeps viewers binging late into the night.

🕰️ What Is Agatha Christie’s Seven Dials About?

Set in England, 1925, Seven Dials begins with a lighthearted country house prank that spirals into murder. The once-playful guests find themselves entangled in a dark web of secrets — and it’s up to Lady Eileen “Bundle” Brent (Mia McKenna-Bruce) to crack the case before the clock runs out.

Expect elegant manor houses, coded conspiracies, and that irresistible Christie blend of charm and chills.

“Chris Chibnall’s scripts are brilliant, and I’m thrilled to be part of this new interpretation of Agatha Christie’s storytelling,” says Mia McKenna-Bruce.

Fans of The Crown, Enola Holmes, and Broadchurch will find plenty to love — from its sharp dialogue and layered mystery to its stunning period production.

🌟 Seven Dials Cast: A Powerhouse British Line-Up

The series features a dream ensemble of British talent:

• Mia McKenna-Bruce (How to Have Sex) as Lady Eileen “Bundle” Brent

• Helena Bonham Carter (The Crown, One Life) as Lady Caterham

• Martin Freeman (Sherlock, The Responder) as Superintendent Battle

• Corey Mylchreest (Queen Charlotte) as Gerry Wade

• Edward Bluemel (Killing Eve) as Jimmy Thesiger

• Nabhaan Rizwan (Kaos) as Ronnie Devereux

• Nyasha Hatendi as Dr. Cyril Matip

• Guy Siner as Tredwell

• Alex Macqueen as George Lomax

This mix of established stars and rising names adds both gravitas and fresh energy — a hallmark of Netflix’s recent prestige dramas.

🎬 Behind the Scenes: A Team of Visionary Creators

Agatha Christie’s Seven Dials is written by Chris Chibnall, known for Doctor Who and Broadchurch, and directed by Chris Sweeney (Back to Life, The Tourist).

Produced by Suzanne Mackie (The Crown) under her company Orchid Pictures, this project marks her first major production since founding the studio in 2020.

Executive producers include:

• Chris Sussman (Good Omens)

• Chris Chibnall (Imaginary Friends)

• James Prichard (Agatha Christie Limited, Christie’s great-grandson)

• Andy Stebbing

According to Mackie:

“It’s been a joy to create this bold, ambitious vision for the series. I could not think of a more perfect home for this story than Netflix.”

🕵️‍♀️ Why Seven Dials Is a Must-Watch for Mystery Fans

Christie’s The Seven Dials Mystery (1929) was one of her most playful and fast-paced novels — blending espionage, social satire, and classic whodunit intrigue.

This new adaptation:

✅ Reimagines the mystery with modern pacing and tension

✅ Highlights a dynamic female lead in a male-dominated world

✅ Merges period charm with cinematic suspense

✅ Brings Christie’s humor and humanity to the forefront

With Mia McKenna-Bruce’s breakout performance and Helena Bonham Carter’s magnetic screen presence, this series could become one of 2025’s biggest British exports.

⏰ Release Date & Streaming Details

📅 Release Date: January 15, 2025

📺 Where to Watch: Exclusively on Netflix

📂 Format: 3 Episodes (Limited Series)

🌍 Country: United Kingdom🗣️ Language: English

Set your reminders — and your clocks.

🎥 Watch the Teaser Trailer

Watch the Seven Dials trailer on Netflix’s official YouTube channel

The teaser promises elegance, wit, and a chilling mystery that unfolds behind the ticking hands of the Seven Dials clock — a countdown to truth and danger.

❓ Frequently Asked Questions (FAQ)

Q1. When will Agatha Christie’s Seven Dials be released?

A1. The series premieres on January 15, 2026, exclusively on Netflix.

Q2. Who plays Lady Eileen “Bundle” Brent?

A2. Mia McKenna-Bruce, winner of the BAFTA Rising Star Award, stars as the clever and courageous Lady Brent.

Q3. Is Seven Dials based on a true story?

A3. No, it’s based on Agatha Christie’s 1929 novel The Seven Dials Mystery, one of her most beloved works.

Q4. How many episodes are there?

A4. Agatha Christie’s Seven Dials is a three-part limited series.

Q5. Who created the Netflix adaptation?

A5. The series is written by Chris Chibnall (Broadchurch, Doctor Who) and produced by Suzanne Mackie (The Crown).

Q6: Is the series faithful to Agatha Christie’s novel?

A: It’s adapted from The Seven Dials Mystery and written by Chris Chibnall — early coverage indicates a respectful update that keeps the novel’s core plot and characters.

Q7: Will there be more seasons?

A: The source material is a single novel; the show is presented as a standalone three-parter. If it explodes on Netflix, producers could return to other Christie works or expand the world, but nothing official has been announced.

🧩 Final Thoughts: The Timeless Allure of Agatha Christie

From Murder on the Orient Express to Why Didn’t They Ask Evans?, Christie’s stories continue to captivate global audiences — and Seven Dials looks set to join the pantheon of standout adaptations.

It’s the perfect mix of nostalgia and novelty: vintage aesthetics, sharp writing, and a heroine audiences will root for.

So pour a cup of tea, polish your magnifying glass, and mark January 15th — because Agatha Christie’s Seven Dials is about to become your next obsession.