Melissa Sue Anderson
Melissa Sue Anderson Anderson as Mary Ingalls in Little House on the Prairie, 1974 Born (1962-09-26) September 26, 1962 (age 52) Berkeley, California, U.S. Occupation Actress Years active 1972–present Melissa Sue Anderson (born September 26, 1962) is an American-Canadian actress. She began her career as a child actress. Anderson is known for her role as Mary Ingalls on the NBC drama series Little House on the Prairie. She is also known for her film roles; Vivian in Midnight Offerings, Ginny in the cult classic slasher Happy Birthday to Me, and Alex in the ABC Afterschool Special, Which Mother Is Mine?, for which she won an Emmy Award in 1979.