Answer
Larry Hagman began his television career in the 1950s, appearing in such shows as The Lone Ranger, The Life and Legend of Wyatt Earp, and The Twilight Zone. He gained fame in the 1960s for his role as J.R. Ewing on the long-running soap opera Dallas. Hagman continued to act in television throughout his career, appearing in such shows as I Dream of Jeannie, The Love Boat, and Desperate Housewives.