Actors having to learn their lines is often only half the battle, as many times these stars are asked to visually portray the characters they’re playing physically as well, which sometimes calls for some pretty drastic heath changes. From eating to exercising, or refraining from them, can do a number on these actors.
They’re human too, and while these changes can be difficult, these Hollywood heavyweights are dedicated to their craft, and some of their best work came after they were asked to make a significant commitment for a certain role. These are the wildest celebrity transformations for movie roles.