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Secret Service

Secret Service

2026 • 6.7 • Drama, War & Politics, Crime • 47m

GB • English

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.

Cast

Gemma Arterton

Gemma Arterton

as Kate Henderson

Rafe Spall

Rafe Spall

as Stuart Henderson

Alexander Terentyev

Alexander Terentyev

as Sergei Malinski

Roger Allam

Roger Allam

as Sir Alan Brabazon

Avi Nash

Avi Nash

as Ravindra Sangvhi

Mark Stanley

Mark Stanley

as Ryan Walker

Alex Kingston

Alex Kingston

as Rose Trewen

Amaka Okafor

Amaka Okafor

as Imogen Conrad

Episodes

Episode 1

Episode 1

E1 47m

An MI6 agent learns that there is a Russian asset in the UK Cabinet.

Episode 2

Episode 2

E2 48m

Kate suspects that her agent is in danger and, defying orders, prepares to rescue her.

Episode 3

Episode 3

E3 44m

Kate's bold rescue mission in Malta backfires and she draws flak from all sides.

Episode 4

Episode 4

E4 45m

The pressure mounts on Kate when the Russians target her family, and Rav follows clues to Geneva.

Episode 5

Episode 5

E5 46m

Kate runs Cyclops in an audacious mission inside Moscow Secret Service HQ to finally trap the MI6 mole.