SeriesEnded
Betrayal (2026–)
1 season4 episodes
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.
- First aired
- February 8, 2026
- Last episode
- February 16, 2026
- Network
- ITV1
- Country of origin
- United Kingdom
Seasons
Where to watch
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Trailer
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Cast
- Shaun Evans as John Hughes
- Romola Garai as Claire Wardly
- Nikki Amuka-Bird as Simone Grant
- Matthew Tennyson as Greg Taylor
- Zahra Ahmadi as Mehreen Askari-Evans
- Gamba Cole as Rudy Kember
- Anthony Flanagan as Chris Beeston
- Paddy Rowan as Wesley Ewen
- Omid Djalili as Qasem Asadi, 'The General'
- Omid Djalili as The General
- Corin Silva as Karlson Griffiths