The Good Wife” has added Margo Martindale to its season seven cast in a recurring role, Variety has learned.

The Emmy-winning actress will play Willa Eastman, a campaign operative responsible for past successes by underdog presidential candidates in Iowa. Don’t let her folksy charm fool you though — underneath that facade is a cunning intelligence. Naturally, she’ll have run-ins with Alan Cumming’s Eli Gold, who serves as the campaign manager for Chris Noth’s Peter Florrick.

“Every year we look for a character and an actor who can go toe-to-toe with Eli Gold and make him blink,” said executive producers Robert and Michelle King. ”So we were thrilled when Margo Martindale agreed to play Willa Eastman. Her ability to mix comedy and drama is unparalleled. And we can’t wait to see how Margo and Alan deal with each other.”

Martindale appears in FX’s spy drama “The Americans” and starred in CBS’ recently cancelled sitcom “The Millers.” She also joins Christine Baranski, Matt Czuchry, Zach Grenier and fellow new cast member Jeffrey Dean Morgan in this long-running Juliana Margulies starrer.

“The Good Wife” returns at 9 p.m. October 4 on CBS. It is produced by Scott Free Productions and King Size Productions in association with CBS Television Studios. In addition to the Kings, exec producers are Ridley Scott, Brooke Kennedy, David W. Zucker, Craig Turk and Leonard Dick.