The Vanishing Triangle: Story, Cast and Series Facts

Story and premise

In The Vanishing Triangle, investigative journalist Lisa Wallace publishes an article about her mother's murder, which sparks the disappearance of Amy Reynolds. Alongside Detective David Burkely, the two work together to find Amy. Their investigation takes them around Ireland, as more girls go missing. As they follow every lead, some end up dead ends, but all the while, the killer plays psychological torture games with Lisa, putting her in compromising situations. As they get closer to finding the killer, David and Lisa learn more about the long-rooted corruption in the Gardaí system. To cover their tracks, high-ranking Gardaí members blackmail David with his own secrets. The investigative trail finally leads Lisa to the killer, where they face off again after all these years. In the end, she must confront her childhood trauma in order to save the missing girls.

Series details

• Title: The Vanishing Triangle
• Format: Scripted
• Language: English
• Genres: Drama, Thriller, Mystery
• Premiere date: 2023-10-26
• Final broadcast date listed: 2023-11-23
• Status in TVmaze: Ended
• Web channel listed by TVmaze: Sundance Now
• Network country: United States
• Typical episode runtime: 42 minutes
• TVmaze community rating: 5.6/10
• TVMaze ID: 71221
• IMDb ID: tt10270200
• TVDB ID: 439494

Cast and credited roles

• Allen Leech — Detective David Burkely
• India Mullen — Lisa Wallace
• Laoise Sweeney — Susan Reynolds
• Derbhle Crotty — Barbara Abrahams
• Stuart Dunne — Chris Wallace
• Aaron Monaghan — Gareth Brennan
• Adam John Richardson — Tommy Stephens
• Philip O'Sullivan — Det. Chief Supt. Gill
• Sarah Carroll — Mary Burkely
• Jana Moheiden — Mandy Clarke
• Brian Moore — Mark Bulger
• Stephen Hogan — Ger Gough

Seasons in the TVmaze catalogue

• Season 1: premiered 2023-10-26; final listed air date 2023-11-23; episode order: 6.

Source and licence

Adapted from The Vanishing Triangle 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.