Series202647 min / epReturning Series

Secret Service

When the enemy is closer than you think, who do you trust?

A British intelligence officer Kate Henderson 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.

DramaWar & PoliticsCrime

My Rating

Language

Original release language

Production

Potboiler Productions

Lead production company

Scope

1 season

5 episodes

My Thoughts

Cast

Top billed cast from TMDB credits.

Featured Cast

Gemma Arterton

Kate Henderson

Rafe Spall

Stuart Henderson

Alexander Terentyev

Sergei Malinski

Roger Allam

Sir Alan Brabazon

Avi Nash

Ravindra Sangvhi

Mark Stanley

Ryan Walker

Alex Kingston

Rose Trewen

Amaka Okafor

Imogen Conrad

Khalid Abdalla

Zak Hussein

#10

Aoife Hinds

Julie Price

#11

Rochenda Sandall

Melissa Morris

#12

Lydia Leonard

Amanda Walker

Crew

Key crew roles and departments.

Tom Bradby

Novel

Writing

Tom Bradby

Executive Producer

Production

Ole Bratt Birkeland

Director of Photography

Camera

Gail Egan

Producer

Production

Videos

Trailers, teasers, and clips.

Videos

Official

Coming Soon

Teaser

Images

Backdrops and posters from TMDB.

Images

5 episodes • 2026

Recommendations

Related titles suggested by TMDB.

Ratings

Audience score and available content ratings.

TMDB Score

6.8

from 18 ratings

Certification

N/A

Preferred region-based rating

Homepage

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External official link