Larry Martin Hagman was an American film and television actor best known for playing ruthless oil baron J. R. Ewing in the 1980s prime time television soap opera Dallas, and befuddled astronaut Major Anthony "Tony" Nelson in the 1960s sitcom I Dream of Jeannie.
Hagman had supporting roles in numerous films, including Fail-Safe, Nixon, and Primary Colors. His television appearances also included guest roles on dozens of shows spanning from the late 1950s up until his death, and a reprisal of his signature role on the 2012 revival of Dallas. He also worked as a producer and director on television.
Hagman was the son of actress Mary Martin. He underwent a life-saving liver transplant in 1995. Although Hagman was a member of a 12-step program, he publicly advocated marijuana as a better alternative to alcohol. He died on November 23, 2012, from complications of acute myeloid leukemia.