Arena is a documentary series that has aired a show chronicling which Canadian filmmaker?
Arena (TV series):  Voted by TV executives in "Broadcast" magazine as one of the top 50 most influential programmes of all time, it has produced over six hundred episodes directed by, among others, Frederick Baker, Jana Boková, Jonathan Demme, Nigel Finch, Mary Harron, Vikram Jayanti, Vivian Kubrick, Paul Lee, Adam Low, James Marsh, Leslie Megahey, Volker Schlondorff, Martin Scorsese, Julian Temple, Anthony Wall, Leslie Woodhead, and Alan Yentob. Mary Harron: Mary Harron (born January 12, 1953) is a Canadian filmmaker and screenwriter best known for her socially-conscious independent films like "I Shot Andy Warhol", "American Psycho" and "The Notorious Bettie Page".
Mary Harron