In the early 1970s during the Cold War, the head of British Intelligence, Control (Sir John Hurt), resigns after an operation in Budapest, Hungary goes badly wrong. It transpires that Control ...

It sees Oldman play George Smiley who has to hunt down a Soviet double agent at the top at the British secret service, teaming up with the likes of Peter Guillam ( Benedict Cumberbatch) and Ricki Tarr ...

and Tinker Tailor Soldier Spy (1974), we return to characters we know – Alec Leamas, Jim Prideaux, George Smiley and Peter ...