Heath Ledger's Joker will be more like Sid Vicious than Jack Nicholson, he told MTV. His Joker was so psycho and manic, he had to take weeks-long vacations between scenes:

I actually had quite a bit of time off between scenes — weeks sometimes. But it was required because whenever I was working, it exhausted me to the bone. At the end of the day, I couldn't move. I couldn't talk. I was absolutely wrecked. If I had to do that every day, I couldn't have done what I did. The schedule really permitted me to exhaust myself.

In another recent interview, Ledger said he locked himself in a hotel room for six weeks beforehand, just to prepare for the role. Ledger's crazy talk could just be method-actorly hyperboly, but it's just psychotic enough to make me really want to see the Dark Knight.

Video: Heath Ledger On Being The Joker [MTV]

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