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Secret Service

1 season
5 episodes
Returning Series
Drama
War & Politics
Crime

Plot Summary

A British intelligence officer races against time to uncover a UK politician's potential ties with the Kremlin, risking her reputation and family, as a murder and election loom.

First Aired:April 27, 2026
Episode Runtime:44m
Networks:
ITV1
Created By:
Tom Bradby

Cast & Characters

Cast

Gemma Arterton as Kate Henderson

Gemma Arterton

Kate Henderson

Rafe Spall as Stuart Henderson

Rafe Spall

Stuart Henderson

Mark Stanley as James Ryan

Mark Stanley

James Ryan

Alex Kingston as

Alex Kingston

Roger Allam as C

Roger Allam

C

Amaka Okafor as

Amaka Okafor

Khalid Abdalla as

Khalid Abdalla

Avi Nash as Rav

Avi Nash

Rav

Rochenda Sandall as

Rochenda Sandall

Aoife Hinds as Julie

Aoife Hinds

Julie

Where to watch free (US)

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Seasons (1)

Season 1

Season 1

5 episodes

Aired: 2026

Production

Potboiler Productions