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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Mike Blake/Reuters
When Tom Hanks was yukking things up in the 1980s in movies like "Bachelor Party" or on the TV sitcom "Bossom Buddies," his fans likely didn't picture him going the extra mile for a role that would earn him a fifth Oscar nomination.