It tells the story of the invisible war fought by MI5 as it battles to protect the nation from the threats of the Cold War.
Trailer
Cast
Tom Hughes
Joe Lambe
Jonathan Aris
Alan Montag
Victoria Hamilton
Sarah Montag
Shaun Dooley
DC Jim Fenchurch
Brian Cox
Daddy
Paul Ritter
Bobby Waterhouse
Chloe Pirrie
Wendy Straw
Zana Marjanovic
Yulia
Yevgeni Sitokhin
Odin
Judy Parfitt
Hester Waterhouse
Marcel Iures
Arkady
SW
Stuart Whittaker
MI5 Agent
Gemma Chan
Chen Mei
Rachael Stirling
Kate
Rachael Stirling
Kate Wilkinson
Jay Simpson
Colin Blakefield
Tim Bentinck
Home Secretary
Velibor Topic
KGB Hood
BB
Bartley Burke
Ivan
You Might Also Like
Drama7.7
The Game
Drama6.4
The Ex-Wife
Drama6.7
No Escape
Drama7.7
Hit & Miss
Drama7.4
The Hardacres
Drama7.2
Vanity Fair
Drama7.4
Upstairs Downstairs
Drama6.8
Maryland
Action8.1
The Day of the Jackal
Action8.5
The Last Kingdom
Drama6.8
My Life with the Walter Boys
Action8.0
Gangs of London
Action7.6
Hanna
Crime8.3
MobLand
Action7.1
Prisoner
Drama7.4
Reign
Crime8.0
Bodyguard
Action7.5
Alex Rider
Drama7.6
The Magicians
Action6.9
Treadstone
Action4.9
Naomi
Crime8.0
The Capture
Crime6.8
Found
Comments
6 Comments
DivyaMar 11, 2026
R.M PhooloMar 11, 2026
kela junior 10Mar 10, 2026
Preetr 💗 harryMar 10, 2026
MaemmaMar 10, 2026
Dr CrazeMar 10, 2026