Agatha Christie's Seven Dials: Story, Cast and Series Facts

Story and premise

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.

Series details

• Title: Agatha Christie's Seven Dials
• Format: Scripted
• Language: English
• Genres: Drama, Crime, Mystery
• Premiere date: 2026-01-15
• Final broadcast date listed: 2026-01-15
• Status in TVmaze: Ended
• Web channel listed by TVmaze: Netflix
• Typical episode runtime: 54 minutes
• TVmaze community rating: 6.7/10
• TVMaze ID: 77725
• IMDb ID: tt31974288
• TVDB ID: 448466

Cast and credited roles

• Mia McKenna-Bruce — Lady Eileen 'Bundle' Brent
• Helena Bonham Carter — Lady Caterham
• Martin Freeman — Superintendent Battle
• Edward Bluemel — Jimmy Thesiger
• Iain Glen — Lord Caterham

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-01-15; final listed air date 2026-01-15; episode order: 3.

Source and licence

Adapted from Agatha Christie's Seven Dials on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.