A Spy Among Friends (2022) 
Based on the New York Times best-selling book written by Ben Macintyre.
A Spy Among Friends: Boom-Ooh-Yatatatah Season 1, Episode 1
In England in 1963, Nicholas Elliott works for MI6 as an intelligence officer 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, defecting to the Soviet Union. [more inside]