Lucille Frances Lawless is a New Zealand actress, singer, and director. She is best known for her roles as Xena in the television series Xena: Warrior Princess, as D'Anna Biers on the reimagined Battlestar Galactica series, and Lucretia in the television series Spartacus: Blood and Sand and associated series. Since 2019, she has starred as Alexa in the television series My Life Is Murder.
Lawless had recurring roles as Diane Lewis-Swanson on the NBC sitcom Parks and Recreation (2012–2014), and as Countess Palatine Ingrid von Marburg on the WGN America supernatural series Salem (2015). She also starred as Ruby on the Starz horror-comedy series Ash vs Evil Dead (2015–2018).