Lesley Ann Warren (born August 16, 1946), is an American actress.
She was born in New York City, and began her career as a ballet dancer, training at the School of American Ballet. She entered the Actors Studio at the age of seventeen, reputedly the youngest applicant ever to be accepted. She made her Broadway debut in 1963 in the musical, 110 in the Shade. Having failed to obtain the role of Liesl in the film version of The Sound of Music, her first major success was in the title role of Rodgers & Hammerstain's television special, Cinderella, in 1965. She later replaced Barbara Bain as the leading female in the Mission Impossible team.
In 1967, she married producer Jon Peters , and they had one son, Christopher, who became an actor, but were later divorced. Her numerous film appearances include The Happiest Millionaire (1967), Cat Ballou (1971), Victor/Victoria (1982), and famous Miss Scarlet in Clue. She has also appeared extensively on television.