Metcalf, Laurie
From The Big Bang Theory Wiki
Lauren Ophelia "Laurie" Metcalf (born June 16, 1955) is an American three-time Emmy Award-winning actress. She is widely known for her performance as Jackie Harris on Roseanne. However, she is also a major force in Chicago theater, probably best known for her critically acclaimed performance in the 1983 revival of Balm in Gilead.
She plays Sheldon's mother, Mary Cooper.
Chuck Lorre, Johnny Galecki, Sara Gilbert & Laurie Metcalf all worked together previously on Roseanne.
