How Dan Stevens developed his wild character in 'Cuckoo'

Kristy Puchko is the Film Editor at Mashable. Based in New York City, she's an established film critic and entertainment reporter, who has traveled the world on assignment, covered a variety of film festivals, co-hosted movie-focused podcasts, interviewed a wide array of performers and filmmakers, and had her work published on RogerEbert.com, Vanity Fair, and The Guardian. A member of the Critics Choice Association and GALECA as well as a Top Critic on Rotten Tomatoes, Kristy's primary focus is movies. However, she's also been known to gush over television, podcasts, and board games. You can follow her on Twitter.