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.
16 / 54
Fox Searchlight Pictures
To help tell the tragic, but true, life story of transgender man Brandon Teena, Swank reduced her body fat by 7 percent and reportedly lived as a man for a month before shooting.