FIRST APPEARANCE:Fall 1968 LAST APPEARANCE:September 27, 1972 PERFORMER:Burt Douglas (1968-72). EXIT:Leaving the Karr home after his remarriage to ex-wife Cookie. SPOUSE:Cookie Pollock (married 1969; divorced and remarried, 1972). RELATIVES:Nancy Karr (sister-in-law). Joe and Rose Pollock (father and mother-in-law). Lee Pollock (brother-in-law). Laurie Ann Karr (niece). Kelly McGrath (nephew). Gerry McGrath Pollock (sister-in-law). LOVERS:Had an affair with married woman Tiffany Whitney. OCCUPATION: Public relations executive. Ron first worked for loan shark Eric Barrington and later as a PR specialist for Senator Colin Whitney. LAST KNOWN WHEREABOUTS: New York City. PERILS: Attempted murder by Eric Barrington, when Ron tried to extricate himself from Barrington's loan-sharking ring.