The Good Wife Benches Law & Order's Jill Hennessy

The Good Wife is about to get a visit from one of New York's best ADAs.

Jill Hennessy, who starred on Law & Order as ADA Claire Kincaid, will guest-star on the CBS legal drama next month, CBS announced Wednesday.

The Good Wife' s 10 biggest twists

Hennessy will play a power lawyer named Rayna Hecht in the episode "A Few Words," set to air March 16. Alicia (Julianna Margulies) and Cary (Matt Czuchry) will battle to align with a powerful New York lawyer who could become a potential partner. Could Rayna be the one they're after?

Additionally, New York Mayor Bill De Blasio will appear as himself in the episode.

After three seasons on Law & Order, Hennessy went on to star on NBC's Crossing Jordan . She most recently appeared on HBO's Luck .

The Good Wife returns with new episodes on Sunday, March 9 at 9/8c on CBS.

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

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