Wendie Jo Sperber as Linda McFly
![](https://img.buzzfeed.com/buzzfeed-static/static/2014-10/24/14/enhanced/webdr09/original-grid-image-26694-1414174502-9.jpg?crop=264:397;19,79)
Universal Pictures
![](https://img.buzzfeed.com/buzzfeed-static/static/2014-10/24/14/enhanced/webdr09/original-grid-image-26694-1414174503-14.jpg?crop=978:1467;34,0)
Frazer Harrison / Getty Images
Sadly, Sperber lost her battle with cancer on November 29, 2005. Four years before her death, she founded weSPARK Cancer Support Center, a Los Angeles-based support group for cancer patients and their families.
Source: (Buzzfeed)