Acting is definitely a skill that requires a whole lot of imagination and research.
But then again, there are some actors who perhaps went a little too far in nailing a character for their film.
In fact, it happens often. There are plenty of Hollywood giants who have refused to shower, gotten themselves pierced and even some who have pulled out their own... teeth.
Watch 10 ads starring actors before they were famous. Post continues after video.
Here are eight actors who took method acting to a whole new level.