Lucille Frances “Lucy” Lawless (née Ryan; born March 29, 1968) is a New Zealand actress, activist, and musician best known for playing the title character of the internationally successful television series Xena: Warrior Princess.
She is also widely known for her role as Number Three on the re-imagined Battlestar Galactica series, and for the role of Lucretia on the television series Spartacus: Blood and Sand, its prequel Spartacus: Gods of the Arena, and its sequel Spartacus: Vengeance.
Lawless had a recurring role on the fifth and sixth season of the NBC sitcom Parks and Recreation as Diane Lewis, a single mother who falls for Ron Swanson. In 2015, she had a recurring role as Countess Palatine Ingrid von Marburg on the WGN America series Salem, and appears in the series Ash vs. Evil Dead.