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b'Kate Mara discusses how she got into character as a marine and built her a relationship with her canine co-star. Mara also reveals that she and her sister Rooney Mara give each other notes about their acting roles.\\n\\nLike what we\'re doing? Leave a review! ----> http://bit.ly/2kIbsjV\\n\\nCheck out our other podcasts: http://bit.ly/2eBJMNa\\n\\n* ABOUT PETER TRAVERS: Peter Travers an American film critic, author and journalist. For some 25 years, Travers has written for Rolling Stone. He personally screens nearly 400 movies per year and releases weekly reviews. Travers is the nation\'s most blurbed film critic, according to eFilmCritic.com. Travers is also host of ABC\'s "Popcorn With Peter Travers," where he interviews actors, directors and Broadway performers about their roles and their lives.\\n\\nPopcorn on Twitter: http://abcn.ws/2gGYRiD\\nPopcorn on Facebook: http://abcn.ws/2f3iHDw\\nPopcorn on YouTube: http://abcn.ws/2gyswtx\\nPopcorn on Instagram: http://abcn.ws/2fC0Ak2'