19. Mel Gibson
Mel Gibson, who is best known for his acting but whose name can also be found in the police blotters, comes next on this list with a net worth of $450 million. Gibson, who is now 60, has appeared in major movies such as Braveheart, The Passion of the Christ, and the Patriot. In addition to acting, Mel Gibson has worked as a filmmaker, screenwriter, director, and producer.