'The Big Bang Theory' Casts Katey Sagal as Penny's Mom Find Out Who Will Play Penny's Brother!
They're a mother-daughter pair again! Katey Sagal is joining the cast of The Big Bang Theory as the mom of Penny (Kaley Cuoco), with the CBS comedy's writers announcing the news at San Diego Comic-Con on Friday, July 22.
The Big Bang Theory Just Cast Penny's Mom and Is Giving Kaley Cuoco an Epic 8 Simple Rules Reunion
Kaley Cuoco Sweetly Reacts to Katey Sagal's 'Big Bang Theory' Casting: 'Once My TV Mom, Always My TV Mom'
Comic-Con: 'Big Bang Theory' Casts Katey Sagal, Jack McBrayer