A number of actors have agreed to reprise their roles for an episode due to air in February sweeps, Entertainment Weekly says.
Denis O'Hare, Rita Wilson and Edward Herrmann will also feature in the instalment alongside John Benjamin Hickey, Renee Elise Goldsberry, Anna Camp, Monica Raymund and Jack Carpenter.
The episode, which is expected to air on February 19, focuses on what happens when Lockhart Gardner works on a class action suit against a software company involved with the Syrian government.
Glee star Jonathan Groff has already landed a role in the episode as Jimmy, a young man suing the software company following his sister's disappearance in Syria.
The Good Wife airs on Sundays at 9/8c on CBS in the US and will premiere in the UK on Thursday at 9pm on More4.
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