Melissa McCarthy, Susan Sarandon inset

Susan Sarandon will guest-star in an upcoming episode of Mike & Molly, CBS announced Thursday.

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The Oscar-winning actress will play JC Small, a literary icon with a beautiful mind and a tortured soul whom Molly (Melissa McCarthy) idolizes. Sarandon's character — who's described as a famed novelist that's part JD Salinger with a touch of William Faulkner and a sprinkle of Gore Vidal — gives Molly a lesson in writing that she won't forget any time soon.

It's unclear which episode she'll be appearing in.

Mike & Molly returns midseason on CBS. Are you looking forward to meeting Sarandon's character?

(Full disclosure: TVGuide.com is owned by CBS.)