When the first Oscar promos premiered, Seth MacFarlane poked fun at Daniel Day-Lewis' ability to get lost in his film roles.
In each of his movies, Day-Lewis seamlessly transforms into his characters on screen, sometimes going to extreme lengths to prep for his parts and stay in character.
And, it works. His efforts earned him two Oscar wins and another nod this year.
However, he isn't the only actor to go to extremes for his roles.
Anne Hathaway was willing to do anything to understand the misery of her tuberculosis-ridden prostitute in "Les Misérables," while Rooney Mara and Kate Winslet found themselves taking their characters off set.
From dropping acid to strapping their knees with belts, these actors prove they're willing do anything to play the part.
Daniel Day-Lewis texted as Abraham Lincoln.
Day-Lewis is known to do extensive research before any and all of his roles.
He refused to leave his character's wheel chair in "My Left Foot" even after filming was finished. All of the slumping caused him to eventually break two ribs. Later, for "The Last of the Mohicans" Lewis spent six months in the wild teaching himself to build a canoe and trap and skin animals.
In his latest role as the 16th president in "Lincoln" the British actor kept his higher-pitched American accent going the entire shoot, and began signing texts "Yours, A."
His efforts have worked, because Lewis has won two Oscars and is on his way to a third.
Leonardo DiCaprio cut his hand -- and continued filming.
DiCaprio didn't let a few shards of glass in his hand slow him down.
During the filming of "Django Unchained," producer Stacy Sher told Variety the actor accidentally slammed his hand on a table so hard he broke a glass, injuring his hand in the process. Instead of stop, DiCaprio carried on and the performance made it into the final edit.
"Blood was dripping down his hand," said Sher. "He never broke character. He kept going. He was in such a zone. It was very intense. He required stitches."
Anne Hathaway actually lost 25 pounds for her role in "Les Mis."
The actress told Vogue she ate nothing but dried oatmeal paste for two weeks to lose 25 pounds for her role in "Les Misérables."
“I had to be obsessive about it — the idea was to look near death,” said Hathaway. “Looking back on the whole experience — and I don’t judge it in any way — it was definitely a little nuts. It was definitely a break with reality, but I think that’s who [my character] Fantine is anyway.”
The actress also cut off all her hair — something hair and makeup artist Lisa Westcott and director Tom Hooper tried talking her out of — to comprehend the pain of a mother willing to do anything to keep her child alive. Her dedication paid off, as Hathaway earned her second Oscar nomination for the role.
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