Hilary Momberger is a former child actress from the late 1960s and early 1970s, known primarily for playing the part of "Sally Brown", Charlie Brown's little sister in the Peanuts motion picture and TV specials including: A Boy Named Charlie Brown and Snoopy Come Home. In recent years Momberger has become a successful script supervisor working on varied film titles including: Being John Malkovich and Rat Race and TV series including: Dawson's Creek, Grey's Anatomy and Ally McBeal.