Secret Service

Secret Service (2026)

ITV1
Apr 27, 2026 GB 47 min per episode Returning Series
6.6 ★ ★ ★ ★ ★
27 votes
Drama War & Politics Crime
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Trailer

Seasons & Episodes

Searching for watch Secret Service season 1 online? Use the episode list below.

Season

1

Episodes

1 - 1
Episode 1 of Secret Service
Episode 1
Apr 27, 2026
★ 5.5
1 - 2
Episode 2 of Secret Service
Episode 2
Apr 28, 2026
★ 7.8
1 - 3
Episode 3 of Secret Service
Episode 3
May 3, 2026
★ 7.8
1 - 4
Episode 4 of Secret Service
Episode 4
May 4, 2026
★ 7.5
1 - 5
Episode 5 of Secret Service
Episode 5
May 5, 2026
★ 6.0

Watch Secret Service (2026) online, explore episodes, cast, trailers, ratings, and series information.

Synopsis

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.

Keywords

spy, espionage, mi6, british spy, british politics, russian spy, british intelligence.

Stills

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Similar series

Spooks, The Night Manager, Homeland, The Capture, Citadel, Deep State, Condor, Traitors, Bodyguard, Strike.

Main 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
Khalid Abdalla
Khalid Abdalla
as Zak Hussein
Aoife Hinds
Aoife Hinds
as Julie Price

Official trailer