It looks like the Hamptons are getting a bit more crowded!
Smith will lend her voice and body to Phyllis, a patient at the mental institution where Victoria (Madeleine Stowe) was admitted in the Season 3 finale. Look for her to appear in the season premiere.
In addition to her long-running gig on The Simpsons, Smith most recently appeared on Hot in Cleveland.
The new season of Revenge premieres Sunday, Sept. 28 at 10/9c on ABC.
Watch This Tonight — See why Man Caves is our editors' pick:
View original Revenge Casts The Simpsons Star as a Mental Patient at TVGuide.com
Other Links From TVGuide.com