Kelly Macdonald has been a supporting actress in "No Country for Old Men" and "Finding Neverland." She also has a major role in HBO's "Boardwalk Empire," but voicing the lead in a film topping the box office is a new experience for her. (Associated Press)

Kelly Macdonald has been a supporting actress in "No Country for Old Men" and "Finding Neverland." She also has a major role in HBO's "Boardwalk Empire," but voicing the lead in a film topping the box office is a new experience for her. (Associated Press)