Michael Learned (born April 9, 1939) is a distinguished American actor, known for her role as Olivia Walton in the long-running CBS drama series The Waltons (1972–1981).
Marty McFly, a 17-year-old high school student, is accidentally sent 30 years into the past in a time-traveling DeLorean invented by his close friend, the maverick scientist Doc Brown.
