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 - Stallone 1
19 / 57
Revolution Studios

Sylvester Stallone has kept up his famously muscled physique even as he's aged, as he's shown in recent movies, including 2006's "Rocky Balboa."

Upload Photos / Videos