The Insane Body Transformations These Actors Went Through For Their Roles

The Making of a Monster

Evidently, D'Onofrio ate a steak, three eggs, half a loaf of bread, and a quart of milk every morning in order to prepare for the role. He began noticing that people treated him differently, and he began perceiving himself in a warped manner. In a sense, D'Onofrio "became" Private Pile, until he dropped the weight after Full Metal Jacket concluded its filming.