Laila Robins (Heartbreak House, The Real Thing) has joined the cast as a series regular. She will play Martha Boyd, the U.S. ambassador to the Islamic Republic of Pakistan who is described as professional and put-together. Robins' screen work includes "In Treatment," "The Sopranos" and "Damages."
Corey Stoll will guest star as Sandy Bachman, a rising star in the agency and the CIA chief of station in Pakistan. His stage credits include Henry IV, Old Acquaintance and A View from the Bridge. He has appeared on screen in "The Normal Heart," "House of Cards" and "Midnight in Paris."