For actors, making the audience believe that they are actually the character they are playing is the most important thing. Actors spend months learning how to talk differently, walk differently and they even learn how to play instruments just to make sure that their performance is as believable as possible. All of the mannerisms and characteristics of a character are important, but so is the physical appearance which is why many actors undergo some serious transformations for their roles. The following are 25 actors who transformed to the point where they were unrecognizable in a film role.
For his role in The Machinist, Christian Bale lost 60 lbs and transformed his 6 foot frame in an emaciated skeleton.