In season 3, newly promoted to Chief of Station, Valerie Edwards sends Daniel Miller and Robert Kirsch on a diplomatic mission to Estonia, where they uncover signs of an impending Russian invasion, threatening to destabilize the NATO Alliance. Daniel stays behind to search for the truth, but goes MIA during his mission. The rest of the team, joined by Special Activities Case Officer Rafael Torres, must work to unravel the conspiracy and bring Daniel home.

• Richard Armitage
• Rhys Ifans
• Richard Jenkins
• Michelle Forbes
• Leland Orser
• Tamlyn Tomita
• Caroline Goodall
• Mina Tander