Most of the world knows Dinah Manoff from her famous role as Marty Maraschino, 'like the cherry,' in the 1978 film Grease alongside John Travolta and Olivia Newton-John. Others from her roles in Soap , Empty Nest , and numerous movie and theatrical parts such as Ordinary People , Child's Play , and her Tony Award-winning role in the Neil Simon play, I Ought to Be in Pictures .