With the Benedict Cumberbatch and Keira Knightley-starring code-breaking drama The Imitation Game set to open the London Film Festival on October 8, the teaser trailer for the film has been released.

Directed by Morten Tyldum (Headhunters), The Imitation Game tells the story of Alan Turing, the mathematician and cryptologist credited with cracking the German Enigma code during World War II.

The film also stars Matthew Goode (A Single Man), Mark Strong (Tinker Tailor Soldier Spy), Rory Kinnear (Skyfall), Charles Dance (Gosford Park), Allen Leech (Downton Abbey) and Matthew Beard (An Education).

The Imitation Game will be released in cinemas on November 14.