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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Hollywood Pictures
Moore bulked herself up and shaved her head to play a Navy SEAL in the movie "G.I. Jane." She became so strong that she was able to flaunt her new muscles with one-armed push-ups during filming.