Glee Alum Jessalyn Gilsig On The Good Wife image

Gilsig (Daniel Tanner/

The grieving widow.

Per TVLine, Jessalyn Gilsig (ex-Terri) will guest star in an upcoming episode of "The Good Wife." She will play a widow of an Illinois Supreme Court Justice who was killed in a car accident. Alicia (Julianna Margulies) and Will (Josh Charles) are hired when the insurance company nixes paying on her husband's insurance policy.

"The Good Wife" airs on CBS Sunday nights at 9:00 PM EST. Gilsig will appear in episode 17.

Watch what happens when Santana learns Brittany is dating Sam in the Glee Behind the Scenes Video: Diva and relive the story of Caleb and Livvie in Soap History: Port Charles.

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- Lori Wilson