Wendie Jo Sperber (1958-2005) was a comic actress best known for her role as Amy on the TV show Bosom Buddies. In 1992, she voiced Wendy Richfield in the Dinosaurs episode "Hungry for Love."
Sperber played Marty McFly's sister Linda in the first and last Back to the Future movies, while other films include Moving Violations, Stewardess School, and Mr. Write (with Paul Reiser). She founded the weSPARK Cancer Support Center before her death from breast cancer in 2005.