Richard Clarkin on The Pledge

Actor Richard Clarkin of Great Great Great, Ordinary Days, Murdoch Mysteries and The Drawer Boy, which opens in Toronto this week, settles in to talk about The Pledge, Sean Penn's searing 2001 drama starring Jack Nicholson as a retired police detective obsessed with finding a killer of young girls. Your genial host Norm Wilner is always up for a wallow in the heart of darkness.