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
David White (actor) lucrative advertising accounts. This is the role for which he would become best-known both during his life and posthumously. Larry Tate's baby boy Jonathan was named after White's son. Following the end of "Bewitched", White was a popular character actor on numerous television series for the next decade, ranging from "The Love Boat", "Remington Steele", "The Rockford Files", "Columbo: Identity Crisis", "What's Happening!!", "Rhoda", "Quincy, M.E.", "Cagney & Lacey" and "Dallas". He played the role of J. Jonah Jameson in the pilot episode of the television series "The Amazing Spider-Man". His final role came in 1986 on an episode of