Which character, an elder sister, was played by Melissa Sue Anderson in the NBC series "Little House on the Prairie"?
Melissa Sue Anderson 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".
Lori Loughlin Lori Anne Loughlin (born July 28, 1964) is an American actress and model. She is best known for her role as Rebecca Donaldson-Katsopolis on the ABC sitcom "Full House", appearing in the series from 1988 to 1995 and its sequel as a recurring character on "Fuller House". From 2008 to 2011, she played Debbie Wilson on The CW series "90210" (2008–2011, 2012), a spin-off of "Beverly Hills, 90210". She is also known for playing Ava Gregory on The WB series "Summerland" (2004–2005), which she also co-created and produced.