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 School. One summer, he worked for oilfield-equipment maker Antelope Tool Company. Although his father wanted Hagman to become a lawyer and join his practice, he was drawn to drama classes and reportedly fell in love with the stage. He graduated from high school in 1949 and decided to pursue acting. Hagman began his career in 1950 acting in productions at Margaret Webster's school at The Woodstock Playhouse in Woodstock, New York. That summer, during a break from his one year at Bard College, he worked in Dallas as a production assistant and acting in small roles in Margo Jones's theater