Heath Ledger's joker diary revealed in new documentary
A new documentary has revealed the diary which Heath Ledger kept whilst preparing to play The Joker in 'The Dark Knight'.
Ledger, who died in 2008, is known to have prepared for the role by shutting him self up in his apartment and hotel room alone for a month.
The diary is full of notes and images of characters and animals which Ledger drew on for inspiration-including a Hyena and Alex DeLarge from A Clockwork Orange.
The role would earn Ledger a posthumous Oscar.
The short clip is from the new documentary 'Too Young to Die'.
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