She Never Met the Real Daniel Day-Lewis
“I never met him. Never. I met him as Mr. Lincoln. He met me as Molly, as he called her,” Sally Field said. He demanded that everyone on set of the film, including director Steven Spielberg, refer to him as “Mr. President.”
Source: telegraph.co.uk
He also wouldn’t let English cast members speak to him in their own accents, fearing it could throw him off. All this meant that it must have been a drag to work with him, but clearly his dedication paid off (he won the Oscar for that role too) and served as inspiration to others in the industry.
The next method actor is another one who really goes beyond the limit!