Tom Hanks
4
He has surpassed everyone's expectations if you look back at his early comedies. Two decades ago I thought Tom Hanks, Michael Keaton and Bill Murray were interchangeable stars making the same types of movies. I would have assumed that Michael Keaton would be the one with the staying power, Bill Murray would have a short lucrative run blockbuster screw-ball comedies and Tom Hanks would be a foot note, or an answer to question in an 80's trivia game. Goes to show what I know.