Cliff Barnes Cliff Barnes Clifford "Cliff" Barnes, played by Ken Kercheval, is a fictional character from the popular American television series "Dallas". The Barnes family are competitors and sometimes enemies of the Ewing family. Cliff is the son of Willard "Digger" Barnes and Rebecca Barnes, the brother of Pamela Barnes Ewing and the half-brother of Katherine Wentworth. J.R. Ewing (played by Larry Hagman) was Cliff's personal nemesis, with Cliff and J.R. continuing on the bitter feud that started with their fathers, Digger Barnes and Jock Ewing, from their oil wildcatting days in the 1930s. Cliff and J.R. were the only two characters
Larry Hagman alternative to alcohol. In 1995, Hagman underwent a life-saving liver transplant after he was diagnosed with liver cancer which was most likely brought on by approximately 40 years of heavy drinking. His clinical picture was further complicated by cirrhosis of the liver which had been diagnosed three years earlier in 1992. Hagman did not receive preferential treatment as a celebrity, with a 1995 UPI article stating that the donor liver "matched Hagman's anonymous physical profile listed with the United Network for Organ Sharing." He was also a heavy smoker as a young man before quitting at age 34. He was