Season 1

In this two part special, best-selling author Ben Macintyre explores Kim Philby, the most famous double agent in history. Philby was a man of contradictions - charming and courteous, but also a fanatic and a ruthless killer, who deceived his colleagues in MI6 and MI5 and the CIA.

In this two part special, best-selling author Ben Macintyre explores Kim Philby, the most famous double agent in history. Philby was a man of contradictions - charming and courteous, but also a fanatic and a ruthless killer, who deceived his colleagues in MI6 and MI5 and the CIA.