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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Columbia Pictures
But Mara was unrecognizable in her next role, tough girl Lisbeth Salander in the American version of "The Girl With the Dragon Tattoo." Mara chopped her hair, bleached her eyebrows and went the extra mile by getting not only her nose pierced, but also her nipple and eyebrow.