Damian Lewis, left, and Guy Pearce star in the MGM+ limited series “A Spy Among Friends,” based on the true story of British double agent Kim Philby, an MI6 operative working for Communist Russia.

No intelligence official has left a bigger mark on his nation's service than Kim Philby, the British MI6 official who blew the cover of dozens of British spies around the world before fleeing to ...

SPY chiefs probed a suspected “Russian double agent” at the heart of MI6 in a 20-year global operation, it has been revealed.

British double agent Kim Philby – one of the infamous Cambridge Five spy ring – is the subject of a new exhibition in Moscow.

Kim Philby (Guy Pearce, left) and Nicholas Elliott (Damien Lewis) on the hotel balcony in Lebanon in 1963. Adi Marineci/Sony Pictures Telev “I think Philby, in the end, probably felt most hurt ...

In 1955, British spy Kim Philby denied working for the Soviet Union. Eight years later, he defected to Moscow. He went on to speak to Stasi agents in East German, in an event that was captured on ...

Guy Pearce as Kim Philby, left, and Damian Lewis as Nicholas Elliott, right, in "A Spy Among Friends." The actors spoke to Newsweek about how surprising they found the true story behind the MGM+ ...

By now, the story of British double agent Harold “Kim” Philby may be the most familiar spy yarn ever, fodder for whole libraries of histories, personal memoirs and novels.

BOSTON — Kim Philby was the most devastating Soviet mole ever to penetrate the British secret service. Graham Greene was one of the century’s great novelists and an iconoclast. Together, they ...

British double agent Kim Philby’s deceit was finally exposed by the daughter of a Jewish-Russian oil magnate offended by his ...