Drawing on years of research and dozens of interviews with his associates, this critical study of Jack Nicholson's oeuvre examines each of his film roles, as well as his screenwriting and directorial efforts. Personal insight is provided by Peter Fonda, Bruce Dern, Noah Wyle, Monkees Michael Nesmith, Micky Dolenz and Peter Tork, several Apollo astronauts, Hells Angel Sonny Barger and many more.