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 - Portman 1
25 / 57
Vincent Kessler/Reuters

Natalie Portman is another actor who hasn't been afraid to alter her appearance more than once for movie roles, such as she did in 2005.

Upload Photos / Videos