Morgan Brittany

Morgan Brittany (born Suzanne Cupito; December 5, 1951) is an American actress. She began her career as a child appearing in the film Gypsy (1962) and in a 1963 episode of The Twilight Zone, "Valley of the Shadow". She went on to appear in Stage to Thunder Rock (1964) and Yours, Mine and Ours. In the 1970s, Brittany began work as a model joining Ford Models. She played Vivien Leigh in films The Day of the Locust (1975), Gable and Lombard (1976) and The Scarlett O'Hara War (1980). Brittany is best-known for portraying Katherine Wentworth, the scheming younger half-sister of Pamela Ewing and Cliff Barnes, on the primetime soap opera Dallas (1981–1985, 1987).