Answer
Lucy Lawless played Diane Lewis-Swanson in the NBC sitcom Parks and Recreation. Diane was a guest character in two episodes of the show, "The Master Plan" and "The Comeback Kid". She was the mother of Leslie Knope's (Amy Poehler) boyfriend, Ben Wyatt (Adam Scott). Diane was a successful businesswoman who had a lot of money. She was also very controlling and manipulative, and she often tried to control Ben's life.