There are actors who always go the extra mile when it comes to committing to the characters they are portraying. From method acting to undergoing extreme body transformations and sitting through hours of make-up preparation, it takes a lot of dedication. Here are four actors who underwent extreme makeovers for their characters and were unrecognizable on the silver screen.

Amitabh Bachchan
The one and only Amitabh Bachchan has portrayed countless characters over the years and has delivered a lot of memorable characters. One of his most iconic roles is Auro in the film Paa. For this character, Big B underwent a crazy makeover and his performance as Auro was lauded by everyone.