Cynthia Nixon. Actress: Sex and the City 2. Cynthia Nixon was born in New York City on April 9, 1966, to Anne Elizabeth Knoll, an actress, and Walter E. Nixon, Jr., a radio journalist. She has German and English ancestry. Nixon made a memorable film debut in Kleine Biester (1980). Her Broadway credits include "The Last Night of Ballyhoo," "Indiscretions," "Angels in America," "The Heidi Chronicles," and "The Women," and...