Margaret Ann "Peggy" Lipton (born August 30, 1946) is an American actress and former model. She became an overnight success, and is best known for her role as flower child Julie Barnes in the counterculture TV show The Mod Squad (1968–73). Appearing in numerous TV series since her noted role as Norma Jennings in David Lynch's surreal Twin Peaks, Lipton has had a more than 40-year career in television, film, and stage.
She was married to the musician and producer Quincy Jones. She is mother to their two daughters, Rashida Jones and Kidada Jones, who have become actresses.
Born in New York on August 30, 1946, Peggy Lipton was raised in a comfortably upper-middle-class Jewish family. Her parents were Harold Lipton, a corporate lawyer, and Rita Benson, an artist. Her paternal grandparents were Russian Jews, and her mother was born in Dublin, Ireland to Jewish parents who had immigrated from Eastern Europe. Lipton was raised on Long Island with her brothers, Robert, who became an actor, and Kenneth. She attended Lawrence Junior High School and the Professional Children's School.