Susan Gabrielle "Sue" Ball (born March 2, 1967, in Philadelphia, Pennsylvania) is an American actress. She is best known for her starring role in Leo and Liz in Beverly Hills, which was created by Steve Martin. She has had many guest starring and recurring roles, most notably Rags to Riches (TV series), Perfect Strangers (TV series), Valerie (TV series), and It's a Living (1980 TV series).