Mary Cooper
Mary Cooper was played by yet another Roseanne alumna, Laurie Metcalf. The opposite of her wunderkind son, Mary was a devout Christian whose beliefs directly conflicted with Sheldon's. Despite this, Mary was still around to help Sheldon in times of need.
Played by Laurie Metcalf
Metcalf has been an actress for over forty years. She began her career in Broadway and eventually shifted the spotlight to television, where she played Jackie Harris on Roseanne for nearly a decade. Metcalf recently received a critical claim for her performance in Lady Bird, which earned her an Oscar nomination.