Betrayal

Name: Betrayal
Genre: Crime, Mystery
Rating: 6.1
Cast: Shaun Evans, Romola Garai, Matthew Luke Brady

Betrayal (2026)

Seasons: 1, episodes: 4

Crime, Mystery

United Kingdom

ITV1

Average rating: 6.1/10 905

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All about the series

Video 1

Photo 9

Actors and characters

Video for the series Betrayal — Coming Soon

1:01

Photo 9

Production

Mammoth Screen

Premiere

8 February 2026

Last episode

16 February 2026

Status

Completed

Producer

Rebecca Keane

Actors

John Hughes

Claire Wardly

Customer (uncredited)

All actors and roles (3)

Short description

John Hughes joined MI5 during the war on terror and was at the forefront of averting the biggest terrorist plots on UK soil. Now in his mid 40s and married with two children he’s struggling to adapt to the new MI5, where threats to national security have changed and he’s forced to adapt to the values of a progressive work environment.