Wiki sagt:

American Psycho ist von 2000, The Machinist von 2004
"He went without proper rest for prolonged periods, and placed himself on a crash diet of generally coffee and apples[21] that saw his weight dropping by 60 pounds (27 kilograms) in a matter of months."

Batman ist von 2006
“…when it actually came to building muscle, I was useless. I couldn’t do one push up the first day. All of the muscles were gone, so I had a real tough time rebuilding all of that.” With the help of a personal trainer, Bale succeeded in meeting the deadline, gaining a total of one hundred pounds (46kg) in six months. He went from about 130lbs to 230lbs.