See Heath Ledger's Joker Diary From Dark Knight Documentary offers insight into Oscar-winning performance By Ruth Brown, Newser Staff Posted Jun 2, 2013 4:51 PM CDT 6 comments Comments See Heath Ledger's Joker Diary From Dark Knight "I sat around in a hotel room in London for about a month, locked myself away, formed a little diary" - Heath Ledger on his preparation for The Joker role in... (Jos? Mellinas) (Newser) – A clip making rounds on the web this week offers a fascinating insight into Heath Ledger's preparation for his Oscar-winning turn as the Joker in 2008 film The Dark Night. In the clip, taken from German documentary Too Young to Die, Ledger's father leafs through the actor's journal, showing notes, clippings, and drawings he used as inspiration for the performance, reports News. "He pretty well locked himself up in a hotel room for weeks," says father Kim. "He immersed himself in the upcoming character on every level." Written on one page: "BYE BYE." View 1 image My Take on This Story Report a story error Show results without voting | 6% Hilarious 51% Intriguing 31% Depressing 7% Brilliant 3% Scary 1% Ridiculous