Heath Ledger died before I'm Not There was cast.
 For his performance in The Dark Knight, Ledger posthumously won the Academy Award for Best Supporting Actor (becoming the fourth-youngest winner of the award) which his family accepted on his behalf, as well as numerous other posthumous awards, including the Golden Globe Award for Best Supporting Actor, which Nolan accepted for him
Ledger went on to win the Academy Award for Best Supporting Actor, becoming the second person to win a posthumous Academy Award for acting (after fellow Australian actor Peter Finch, who won for 1976's Network), as well as the first comic-book movie actor to win an Oscar for their acting

