Justified Emmy winner Margo Martindale is returning to FX with a major role in the new cold war spy drama The Americans.

Martindale will play Claudia, a KGB illegal living in the U.S. who delivers assignments to married Russian spies Philip and Elizabeth Jennings, played by Matthew Rhys and Keri Russell, respectively.

VIDEO | Get a First Look at FX’s The Americans

Martindale, who will appear in at least eight episodes of The Americans, most recently was a regular on CBS’ short-lived drama A Gifted Man.

The Americans is set to debut on Wednesday, Jan. 30 at 10/9c.