Alias No information Origin No information Occupation No information Powers/Skills No information Hobby No information Goals No information Type of Villain No information Cliff Barnes is a character in the TV Show Dallas. He appeared in the original 1978 series as a rival to J.R. Ewing and then in the 2012 revival series, where he was depicted as a darker sinister character and far more villainous than his original 1978-1991 appearances. He was portrayed by Ken Kercheval.