The Insane Body Transformations These Actors Went Through For Their Roles

Matthew McConaughey

McConaughey played a Texas AIDS patient who was given 30 days to live in the movie Dallas Buyers Club. In order to look like a man who was dying from an advanced auto-immune disease, he was forced to restrict his caloric intake by roughly 70%, and he had to burn an additional 1,800 calories a day from a strict exercise routine.

The More You Know

In Home Alone, Buzz's girlfriend is actually a boy in a wig. The director thought it would be too mean to ask a girl to be in the film this way.
After a slew of drug related offences, Robert Downey Jr. was a semi-blacklisted celebrity until Kiss Kiss Bang Bang reignited his career.
Hugh Jackman went without water for 36 hours before filming the opening scene of 'Les Miserables.'
"Dracula" was filmed in English during the day, and in Spanish at night.

Post originally appeared on Upbeat News.