Heath Ledger Died Of A Drug Overdose — But Is There More To The Story?

Heath Ledger’s Tragic Story

I Am Heath Ledger

We're Celebrating The Upcoming 'I Am Heath Ledger' Documentary By Revisiting Our Favorite Heath Roles

A New Documentary About Heath Ledger Will Be Released This Year - SPIN

Heath Ledger's Joker Diary From 'The Dark Knight' Revealed in New Documentary 'Heath Ledger: Too Young To Die'

Heath Ledger completely isolated himself to prepare for the Joker role before and during the filming of The Dark Knight (2008). After filming he revealed he locked himself away in a hotel room in London for about a month to work on the character. Ledger explained he wrote a diary and experimented with voices, and realized that this Joker was more like a psychopath with a full lack of empathy. He kept this diary with him during the filming of The Dark Knight and used it to get back into character