Lucille Frances Lawless (ne Ryan; born 29 March 1968) is a New Zealand actress and singer. She portrayed the title character in television series Xena: Warrior Princess (19952001); cylon model Number Three D'Anna Biers on the re-imagined Battlestar Galactica series (20052009); and Lucretia in the television series Spartacus: Blood and Sand (2010), its prequel Spartacus: Gods of the Arena (2011), ...