who played luann on in the heat of the night
Crystal R. Fox. Crystal R. Fox (born October 14, 1965) is an American actress and singer. She is best known for her 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 (2013âpresent).