Heath Andrew Ledger (4 April 1979 – 22 January 2008) was an Australian actor and director. After performing roles in Australian television and film during the 1990s, Ledger left for the United States in 1998 to develop his film career. His work comprised nineteen films, including 10 Things I Hate About You (1999), The Patriot (2000), A Knight's Tale (2001), Monster's Ball (2001), Ned Kelly (2003), The Brothers Grimm (2005), Lords of Dogtown (2005), Brokeback Mountain (2005), Candy (2006), I'm Not There (2007), The Dark Knight (2008), and The Imaginarium of Doctor Parnassus (2009).  He also produced and directed music videos, and aspired to be a film director.  For his portrayal of Ennis Del Mar in Brokeback Mountain, Ledger won the New York Film Critics Circle Award for Best Actor and Best International Actor from the Australian Film Institute, and was nominated for the BAFTA Award for Best Actor in a Leading Role and for the Academy Award for Best Actor.  Ledger died on 22 January 2008 from an accidental intoxication from prescription drugs.  A few months before his death, Ledger had finished filming his performance as the Joker in The Dark Knight. His death occurred during editing of The Dark Knight and in the midst of filming his last role as Tony in The Imaginarium of Doctor Parnassus.