Over the years, there have been plenty of examples of actors who have undergone physical transformations for the roles that sometimes leaves them almost unrecognizable. From filing down teeth to losing so much weight their ass is close to falling off, it's astounding what performers will do to their bodies for a movie, and for our latest Exclusive Cool Video, Jason Dean has ranked the biggest actor transformations.
Let us know if you agree with our top ten list, and living off of apples and coffee is definitely the wrong way to shed a few pounds, so don't try any of the drastic diet tactics at home!