November 6, 2014 5:11 PM EST

Benedict Cumberbatch, revered in the wide world for his work on Sherlock as well as his recent old-school engagement announcement, is starring as math genius and father of modern computing Alan Turing in the new biopic The Imitation Game, out Nov. 28. Here, Joan Clarke (Keira Knightley) impresses Turing with her crossword puzzling skills.

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