Plot: Tim Blake Nelson breaks down his most iconic roles, including 'O Brother, Where Art Thou?,' 'Watchmen,' 'The Ballad of Buster Scruggs,' 'This is My Life,' 'Heavyweights,' 'The Thin Red Line,' 'Minority Report,' 'Holes,' 'The Incredible Hulk,' 'Lincoln,' 'Just Mercy' and 'The Report. '