Unlike other comic roles, which equip the hero with supernatural powers, Christian in the movie has played the role of a normal human being, having astonishing buoyancy and endurance. Through his drastic makeovers for his roles, the inspiring hero has set an incredible example in front of his fans. The hero has shown it that with strong will power and perseverance, nothing is beyond you.
He dramatically transformed his body, not once but twice. His first transformation was for his role in the movie, The Machinist, when he lost 63 pounds in three months. While keeping his health at stake for three months, Christian adhered to a strict diet regime; he almost starved him to death.
His role in the movie required him to look like an insomniac. While surviving on just one apple and tuna in a day, Christian executed intense workouts and within three months, he came down from 184 pounds to 121 pounds. Due to the prolonged starvation period, his metabolism deteriorated drastically.
Doctors asserted, he might be suffering from some serious health problems. But under the guidance of dietitian and personal trainer, Christian brought back his slow metabolism on track. His dietitian recommended him to gradually increase his calorie intake.