Hallie Todd (born Hallie Eckstein on January 7, 1962 in Los Angeles, California) made a guest appearance as Blanche's niece, Lucy Warren, in the Season 1 episode of The Golden Girls titled "Nice and Easy". An actress, producer and writer and acting coach, Hallie is perhaps best known for her roles as Penny Waters on Brothers and as Jo McGuire on the Disney Channel series Lizzie McGuire.