A pic from Imitation of game

 "These exclusive stills from the new issue of Empire (on sale June 26) show Cumberbatch as Alan Turing, a mathematician who turned wartime code-breaker and brought his skills to bear cracking the German Enigma code. Alongside him (left) is Charles Dance as Commander Alastair Denniston, a fellow decrypter, who helped Turing spearhead Britain’s efforts to break the Nazi code. Lurking, fittingly, in the shadows is Mark Strong who plays legendary MI6/SIS head Stewart Menzies"
http://www.empireonline.com/news/story.asp?NID=41360