Crystal R. Fox is an American actress and singer. Fox has performed in many stage productions during her career, and is known for her television roles as Luann Corbin in the NBC/CBS police drama series In the Heat of the Night (1989–1995), and as Hanna Young in the Oprah Winfrey Network prime time soap opera, The Haves and the Have Nots (2013–2021). Fox has also appeared in a number of films, most notably playing the leading role in the 2020 thriller A Fall from Grace, and the television series Big Little Lies (2019), The Big Door Prize (2023-24) and His & Hers (2026).