 On June 6 , 2011 , Wimmer was announced as screenwriter , but Jolie equivocated , " if it comes together right " . On December 10 , 2012 Sony Pictures announced hiring screenwriter Becky Johnston ( known for Prince of Tides , Seven Years in Tibet , and Arthur Newman ) , as well as producers Lorenzo di Bonaventura and Sunil Perkash . 
