 He received a Golden Globe Award for Best Actor and his first Academy Award for Best Actor nomination.In 2006, DiCaprio starred in the crime film "The Departed" and the political war thriller "Blood Diamond".In Scorsese's "The Departed" DiCaprio played the role of Billy Costigan, a state trooper working undercover in the Irish Mob in Boston, someone he characterizes as in a "constant, 24-hour panic attack".