Whose sister did Melissa Sue Anderson play in "Little House on the Prairie?"
Mary Ingalls Mary Amelia Ingalls (January 10, 1865 – October 20, 1928) was born near the town of Pepin, Wisconsin. She was the first child of Caroline and Charles Ingalls. She was the older sister of author Laura Ingalls Wilder, who is best known for her "Little House on the Prairie" book series.
Jean Sagal Jean Sagal (born October 9, 1961) is an American television actress and director. In the 1980s, she co-starred with her twin sister Liz Sagal in the 23-episode television series "Double Trouble" that ran from 1984–85. She has since appeared on such shows as "Picket Fences", "Knots Landing", "Quantum Leap" and "21 Jump Street". She has directed episodes of "Two and a Half Men", "Mad TV", "So Little Time" and "Just Shoot Me". Sagal and her twin sister also served for a time as the "Doublemint Twins" in the long-running ad campaign by Doublemint gum.