Dinah Beth Manoff (born January 25, 1956)[1] is an American stage, film, and television actress and television director. She is best known for her roles as Elaine Lefkowitz on Soap, Marty Maraschino in the film Grease, Libby Tucker in both the stage and film adaptations of I Ought to Be in Pictures, for which she won a Tony Award, and Carol Weston on Empty Nest. She has starred in numerous television movies and guest-starred on various television programs. She mostly appeared on TV during the 19