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Morgan Brittany (born Suzanne Cupito on December 5, 1951 in Los Angeles, California) is an American film and television actress. She is possibly best known for her role in the 1980s primetime soap opera Dallas, where she portrayed Katherine Wentworth, the scheming younger half-sister of Pamela Ewing and Cliff Barnes. Under her birth name, Brittany began her career as a child in 1960 in an episode of the original Twilight Zone series (Nightmare as a Child), as the little girl at the end of the episode. She subsequently appeared in the fourth season episode (Valley of the Shadow) as "Sissy... MORE

Morgan Brittany (born Suzanne Cupito on December 5, 1951 in Los Angeles, California) is an American film and television actress. She is possibly best known for her role in the 1980s primetime soap opera Dallas, where she portrayed Katherine Wentworth, the scheming younger half-sister of Pamela Ewing and Cliff Barnes. Under her birth name, Brittany began her career as a child in 1960 in an episode of the original Twilight Zone series (Nightmare as a Child), as the little girl at the end of the episode. She subsequently appeared in the fourth season episode (Valley of the Shadow) as "Sissy Johnson" and the fifth season episode ("Caesar and Me") as "Susan." She discusses these parts in interviews for the Twilight Zone Definitive Edition DVDs (the season 4 and season 5 sets). She appeared on TV in a 1960 episode of Lloyd Bridges's Sea Hunt; in the 1962 film Gypsy as "Baby" June, (June Havoc). Although uncredited, she appeared in the birthday party scene in the 1963 movie The Birds. In 1964 she appeared in an episode of "Daniel Boone" (Fluellen Family, first season) portraying a young mute girl. She also appeared on Bridges's CBS anthology series The Lloyd Bridges Show. In 1966 she LESS