Director Robert McCallum on his Mr. Dressup movie

Ernie Coombs' Mr. Dressup was a beloved mainstay at CBC for 29 seasons. London, Ont., filmmaker Rob McCallum is the director of Mr. Dressup: The Magic of Make-Believe, which debuted at the Toronto International Film Festival earlier this year. It follows Coombs' early years in Pittsburgh working with Fred Rogers, and his enduring legacy in Canada.