Question everything. Suspect everyone.
An MI6 deputy's bright future takes a sharp turn after a reunion with a Russian spy forces him to question his entire life.
Charlie Cox
Adam Lawrence
5 episodes
Olga Kurylenko
Kara Yusova
5 episodes
Oona Chaplin
Maddy De Costa
5 episodes
Ciarán Hinds
Sir Martin Angelis
5 episodes
Beau Gadsdon
Ella Lawrence
5 episodes
Samuel Leakey
Callum Lawrence
5 episodes
Alex Kingston
Audrey Gratz
5 episodes
Tracy Ifeachor
Dede Alexander
5 episodes
Adam James
Patrick Hamilton
4 episodes
Kevin Harvey
Olamide Bello
4 episodes
A Spy Among Friends
