J. R. Ewing personalized license plate "EWING 3". J. R. Ewing John Ross "J. R." Ewing Jr. is a fictional character in the American television series "Dallas" (1978–91) and its spin-offs, including the revived "Dallas" series (2012–14). The character was portrayed by Larry Hagman from the series premiere in 1978 until his death in late 2012, and Hagman was the only actor who appeared in all 357 episodes of the original series. As the show's most famous character, J.R. has been central to many of the series' biggest storylines. He is depicted as a covetous, egocentric, manipulative and amoral oil baron with psychopathic
Larry Hagman with his maternal grandmother, Juanita Presley Martin, in Texas and California while his mother became a contract player with Paramount in 1938. In 1940, Hagman's mother met and married Richard Halliday before giving birth to a daughter, Heller, the following year. Hagman attended a strict academy, Black-Foxe Military Institute. When his mother moved to New York City to resume her Broadway career, Hagman again lived with his grandmother in California. A few years later, his grandmother died and Hagman joined his mother in New York City. In 1946, Hagman moved back to his hometown of Weatherford and attended Weatherford High