A brooding performer with a rebellious streak and a proclivity for speed, actor Steve McQueen forever changed the definition of the Hollywood leading man with roles as quiet, but tough protagonists who sought their own methods outside the bounds of authority. Dubbed 'The King of Cool,' McQueen ushered in a new breed of antiheroes who commanded the begrudging respect - along with large salaries - of studio producers and directors, while attracting millions of moviegoer fans around the world.