Most dramatic actor transformations

Published On: Oct 16 2012 02:53:40 PM CDT   Updated On: Jan 23 2014 08:57:57 AM CST

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.

dramatic movie transformation - Damon 3
47 / 57
Warner Bros. Pictures

More than a decade later, Damon again underwent a transformation for a role, this time packing on the pounds for Steven Soderberg's 2009 movie "The Informant!" This time around, Damon added weight through a diet of pizza, burgers and beer.

Upload Photos / Videos