Secret Service (2026)

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

Similar series

Spooks, Traitors, The Night Manager, Black Doves, Homeland, Deep State, A Spy Among Friends, Citadel, London Spy, Treason.

Main cast

Gemma Arterton

as Kate Henderson

Rafe Spall

as Stuart Henderson

Alexander Terentyev

as Sergei Malinski

Roger Allam

as Sir Alan Brabazon

Avi Nash

as Ravindra Sangvhi

Mark Stanley

as Ryan Walker

Alex Kingston

as Rose Trewen

Amaka Okafor

as Imogen Conrad

Khalid Abdalla

as Zak Hussein

Aoife Hinds

as Julie Price

Official trailer