heathledger Joker in film Comptroller General of the General Accounting Office (actor) "Brokeback Mountain" star "Brokeback Mountain" Oscar nominee "Brokeback Mountain" costar "Brokeback Mountain" actor who is on Lindsay Lohan's list of 36 ex-lovers: 2 wds 2008 "Brokeback Mountain" star from Australia Portrayer of the Joker in the 2008 film "The Dark Knight": 2 wds Oscar winner as the Joker Late Australian-born actor who played the Joker in "The Dark Knight": 2 wds