Teaser trailer for 'Let the Right One In' director Tomas Alfredson's adaptation of John le Carré bestseller 'Tinker Tailor Soldier Spy,' starring Benedict Cumberbatch, Ciaran Hinds, Colin Firth, Gary Oldman, Mark Strong, Simon McBurney and Tom Hardy.
During the Cold War, espionage veteran George Smiley is forced from semi-retirement to find a Soviet agent within MI6.
It gets released 16 September for Ireland and the UK.
