Jill Clayburgh was an American actress known for her work in theater, television, and cinema. She received the Cannes Film Festival Award for Best Actress and was nominated for the Academy Award for Best Actress for her breakthrough role in Paul Mazursky's comedy drama An Unmarried Woman (1978). She also received a second consecutive Academy Award nomination for Starting Over (1979) as well as four Golden Globe nominations for her film performances.

An Unmarried Woman is a 1978 American romantic comedy-drama film written and directed by Paul Mazursky and starring Jill Clayburgh, Alan Bates, Michael Murphy, and Cliff Gorman. The film was nominated for three Academy Awards: Best Picture, Best Original Screenplay, and Best Actress (Clayburgh).