Peggy Lipton (born Margaret Ann Lipton; August 30, 1946 – May 11, 2019) was an American actress and model who rose to fame in the late 1960s. She is best known for two major television roles: Julie Barnes on The Mod Squad (1968-1973) and Norma Jennings on Twin Peaks (1990-1991, 2017). She began modeling at age 15 and signed with Ford Agency. Her early struggles with stuttering led her to become introverted, though she found that acting helped her overcome this challenge. Her breakthrough came ...