His genius led to the creation of the computing machine that helped the Allies crack Germany's Enigma Code in World War II, but after the war's end his private life would have the once-grateful British government persecuting him. Benedict Cumberbatch gives a powerful performance as math whiz/cryptanalyst Alan Turing, whose homosexuality made him the object of an official witch hunt, in this sobering biodrama. Keira Knightly, Matthew Goode, and Mark Strong also star. 114 min. Widescreen (Enhanced); Soundtracks: English Dolby Digital 5.1, Spanish Dolby Digital 5.1; Subtitles: English (SDH), Spanish; audio commentary; "making of" featurette; deleted scenes.