“I just worked with a nutritionist and I thought, because of the way he looked and the way his life was, I thought I should sort of look as gaunt as I could, look sort of skeletal. I worked with a nutritionist, and worked out real hard and ate about 1,000 calories a day.”
John also found that the role was difficult because it played with his emotions, which he explains as an actor is something which he takes on when he plays a role:
“He was such an anguished guy. Obviously on one level acting is just pretend, but on another level you sort of have to live with it (the emotions).”