Bradley Cooper (right) plays Chris Kyle in American Sniper. The film has become a cultural phenomenon and has spawned knee-jerk squabbling. Courtesy of Warner Bros. Pictures hide caption

itoggle caption Courtesy of Warner Bros. Pictures

Antoine-Olivier Pilon plays 15-year-old Steve in Xavier Dolan's Mommy. Shayne Laverdière/Roadside Attractions hide caption

itoggle caption Shayne Laverdière/Roadside Attractions

The documentary Red Army profiles Viacheslav "Slava" Fetisov — one of the most decorated athletes in Soviet history. Slava Fetisov/Slava Fetisov/Sony Pictures Classics hide caption

itoggle caption Slava Fetisov/Slava Fetisov/Sony Pictures Classics