Dangerous Edge: A Life of Graham Greene is a biographical documentary film about Graham Greene, originally broadcast nationally on PBS on March 29, 2013 and distributed internationally. It was directed by Thomas P. O'Connor and narrated by Derek Jacobi. Contributors and cast include Graham Greene himself, his wife Vivien Greene, Bernard Diederich, John le Carré, David Lodge, John Mortimer, Bill Nighy, John Perkins, Paul Theroux and biographers Richard Greene (no relation) and Norman Sherry.