Storyline:
In England in 1963, Nicholas Elliott works for MI6 but is left in turmoil when he learns his close friend and colleague Kim Philby had been secretly working as a double agent for the KGB and has defected to the Soviet Union.

Cast:
Guy Pearce (as Kim Philby), Damian Lewis (as Nicholas Elliott), Anna Maxwell Martin (as Lily Thomas), Adrian Edmondson (as Sir Roger Hollis), Stephen Kunken (as James Jesus Angleton)