J. R. Ewing 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 tendencies, who is constantly plotting
Larry Hagman the CBS legal drama, "The Defenders" In 1964, he made his film debut in "Ensign Pulver", which featured a young Jack Nicholson. That same year, he also appeared in "Fail-Safe", with Henry Fonda. In 1965, Hagman was cast as "genie" Barbara Eden's television "master" and eventual love interest, Air Force Captain (later Major) Anthony Nelson, in the NBC situation comedy "I Dream of Jeannie", which ran for five seasons from 1965 to 1970. The show entered the top 30 in its first year and was NBC's answer to the successful 1960s magical comedies, "Bewitched" on ABC and "My Favorite Martian"