20 Things You Didn’t Know About Trainspotting

Though you likely wouldn't be in a rush to throw him into the category of full blown method actor, Ewan McGregor is still a performer deeply committed to understanding and authentically portraying his characters.

So, coming into this life-changing role of Renton, McGregor opted to spend some time with former heroin addicts, picking their brains as to how he would accurately hold a needle and depict genuine withdrawal symptoms.

On top of this, the Scot was also taught how to cook up heroin using glucose powder and a spoon, adding further unquestionable detail to his performance as the drug addicted lead of the 90's game-changer.

This wasn't the only extreme length the star went to in order to thoroughly transform himself into Mark "Rent Boy" Renton, though...