Matthew McConaughey and Jared Leto are receiving buzz during awards season for their dramatic transformations in "Dallas Buyers Club." Take a look at some of the other most dramatic actor transformations ever seen on film.
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.