Driver is best known for her work in the films "Grosse Pointe Blank," "Good Will Hunting" and "Circle of Friends," as well as for her performance on the TV drama "The Riches."
She is to play newly introduced character Valerie in the episode of "Modern Family" scheduled to air Jan. 27.
"Claire feels slightly inadequate when her old friend, Valerie visits and is nothing like Claire remembered," ABC said in a news release.
Julie Bowen plays Claire on the show.
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