Most dramatic actor transformations

POSTED: 01:53 PM MDT Oct 16, 2012    UPDATED: 07:57 AM MST Jan 23, 2014 
Matthew McConaughey at 2012 Magic Mike premiere

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.