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

The Imitation Game, starring Keira Knightley and Benedict Cumberbatch, follows the story of mathematician Alan Turing — from his efforts to break Germany's Enigma code during World War II to his conviction for homosexuality. Jack English/Courtesy of Black Bear Films hide caption

itoggle caption Jack English/Courtesy of Black Bear Films

David Oyelowo portrays Rev. Martin Luther King Jr. in Selma. He says his experience growing up in Nigeria, without experiencing being a minority, helped him approach the job of playing such an iconic figure with less baggage than an American actor might. Atsushi Nishijima/Paramount Pictures/AP hide caption

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Chris Hemsworth plays hacker and furloughed convict Nicholas Hathaway in Blackhat. Frank Connor/Legendary Pictures and Universal Pictures hide caption

itoggle caption Frank Connor/Legendary Pictures and Universal Pictures

Desiree Akhavan plays Shirin in Appropriate Behavior. Akhavan says she chose the name Shirin because it means sweet in Farsi. "Even though she's insane, she has a sweetness," says Akhavan. Desiree Akhavan hide caption

itoggle caption Desiree Akhavan

Alice Howland (Julianne Moore) is a linguistics professor who gets diagnosed with early-onset Alzheimer's. "Who can take us seriously when we are so far from who we once were?" she asks. "We become ridiculous, incapable, comic. But this is not who we are. This is our disease." Jojo Whilden/Courtesy of Sony Pictures Classics hide caption

itoggle caption Jojo Whilden/Courtesy of Sony Pictures Classics

The movie Gone Girl fictionalizes and satirizes cable news star Nancy Grace (above). Grace, host of a true crimes and current affairs show on HLN, says she was flattered. Mark Hill/AP hide caption

itoggle caption Mark Hill/AP

The cast of Boyhood — (from left) Patricia Arquette, Lorelei Linklater, Ellar Coltrane and Ethan Hawke — won the Golden Globe for best motion picture on Sunday. Kevin Winter/Getty Images hide caption

itoggle caption Kevin Winter/Getty Images

Royal Robbins climbs El Capitan's North American Wall in Yosemite National Park in 1964. Robbins is a climbing purist whose ideas helped shape the sport. Glen Denny hide caption

itoggle caption Glen Denny