‘Big Bang Theory’: Producers reveal who will play Penny’s mother, brother

On The Big Bang Theory, we”ve been introduced to many of the parents that make these characters so oddly lovable (or slightly warped). Now one last piece of that puzzle is finally being revealed.

Katey Sagal, best known for her work on Sons of Anarchy and Married…with Children, has been cast as Penny”s (Kaley Cuoco) mother.

“We are finally going to meet more of Penny”s family,” EP Steve Molaro said at Comic-Con per EW. “We”re going to be meeting Penny”s mom and her brother in the first episode back. We”re super excited that Katey Sagal will be playing Penny”s mom.”

In a weird twist, this re-unites Sagal and Cuoco as mother and daughter as the two teamed up on the ABC series 8 Simple Rules.

Molaro also said that Jack McBrayer of 30 Rock fame has been cast as Penny”s brother.

The Big Bang Theory is back for its tenth season on September 19 at 8 p.m. ET on CBS.

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