Hollywood is all about entertainment, right? Well, at its core, sure it is -- but every now and then, a project comes along that means a whole lot more than movie tickets or television ratings. These projects are few and far between, but when they strike, they hit hard and affect thousands more than just those watching. PopEater decided to take a look at three major cases where the interest of an actor has had a major charitable impact, one of which was established far beyond the show representing it, and two in which one singular role transformed the views and actions of the actor involved.