Shirley Mae Jones is an American actress and singer. In her six decades in show business, she has starred as wholesome characters in a number of musical films, such as Oklahoma!, Carousel, and The Music Man. She won the Academy Award for Best Supporting Actress for playing a vengeful prostitute in Elmer Gantry. She played the lead role of Shirley Partridge, the widowed mother of five children, in the musical situation-comedy television series The Partridge Family, which co-starred her real-life stepson, David Cassidy, son of Jack Cassidy.