CANBERRA, Australia—Australia’s most acclaimed Indigenous actor, David Gulpilil, has died of lung cancer, a government leader said on Monday. He was 68 years old. Gulpilil found his widest audiences with his roles in the 1986 hit film “Crocodile Dundee” and in director Baz Luhrmann’s 2008 epic “Australia” in a career that spanned five decades. He was often described as a bridge between Indigenous Australia and the outside world who never fit comfortably in either place. “It is with deep sadness that I share with the people of South Australia the passing of an iconic, once-in-a-generation artist who shaped the history of Australian film and Aboriginal representation on screen,” South Australia state Premier Steven Marshall said. An accomplished didgeridoo player, Gulpilil mixed with Jimi Hendrix and Bob Marley. He was feted in New York and Paris. He also spent periods of his life as itinerant drinking and sleeping in parks in …