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.
First Aired
2026-04-27
Status
Returning Series
Network
ITV1
Seasons
Season 1 Episodes
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E1. Episode 1
An MI6 agent learns that there is a Russian asset in the UK Cabinet.
★ 6.0
E2. Episode 2
Kate suspects that her agent is in danger and, defying orders, prepares to rescue her.
★ 7.8
E3. Episode 3
Kate's bold rescue mission in Malta backfires and she draws flak from all sides.
★ 7.8
E4. Episode 4
The pressure mounts on Kate when the Russians target her family, and Rav follows clues to Geneva.
★ 7.5
E5. Episode 5
Kate runs Cyclops in an audacious mission inside Moscow Secret Service HQ to finally trap the MI6 mole.
★ 6.0
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
Aoife Hinds
Julie Price
Rochenda Sandall
Melissa Morris
Lydia Leonard
Amanda Walker
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