Sherill Lynn Rettino (January 13, 1956 – July 3, 1995, Los Angeles, California) was an American television actress best known for her recurring role in the television series Dallas as Jackie Dugan, Pamela Ewing (Victoria Principal)'s co-worker at The Store, and later Cliff Barnes (Ken Kercheval)'s secretary at Barnes-Wentworth Oil. Rettino's father, Leonard Katzman (1927–1996), was a television executive who produced Dallas, on which Rettino appeared from 1979 to the series close in 1991. Rettino predeceased her father by one year.