Most of the time being a Hollywood actor is all about the glitz and the glamour, but occasionally actors have to go that extra mile to transform themselves for a role. Take a look at some of the most dramatic actor transformations ever seen on film.
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MGM
But Bale was not content to drop weight for a role just once. He did it again, albeit not as many pounds, to play a Vietnam War prisoner of war in 2006's "Rescue Dawn."