“The Imitation Game” follows how Alan Turing and a team of geniuses cracked the German Enigma code and helped win World War II. But it turns out Benedict Cumberbatch and company are only convincing cryptographers onscreen, since the cast can’t even successfully complete a crossword puzzle. When they attempted to solve one together on set, they “all did pretty poorly,” At the film’s New York City premiere, held on a rainy Monday night at the Ziegfeld Theater, Allen Leech told The Hollywood Reporter, “It took us four days, and we still didn’t complete it.”