 Dryer first started as the voice of Violet in "A Boy Named Charlie Brown" (1963) and "A Charlie Brown Christmas" (1965), before going on to Lucy in four "Peanuts" specials "Charlie Brown's All-Stars" (1966), "It's the Great Pumpkin, Charlie Brown" (1966), "You're in Love, Charlie Brown" (1967), and "He's Your Dog, Charlie Brown" (1968).Dryer then provided the voice of Patty (not to be confused with the character of Peppermint Patty) in the feature film "A Boy Named Charlie Brown".Dryer's last stint with the "Peanuts" gang was performing the voices of Clara, Shirley, and Sophie in "It Was a Short Summer, Charlie Brown".