Guest Stars Noah Harpster as Bill Strausser Nate Corddry as Larry Wilson Meghan Leathers as Pam Horton Piotr Adamczyk as Sergei Orestovich Nikulov John Marshall Jones as General Nelson Bradford Alexander Sokovikov as Rolan Efimovitch Baranov Michaela Conlin as Helena Webster Lenny Jacobson as Wayne Cobb Daniel David Stewart as Nick Corrado Charlie Schlatter as Paul Michaels Michael Benz as Gary Piscotty Scott Michael Campbell as Alex Rossi Leonora Pitts as Irene Hendricks Connor Tillman as Vance Paulson Linda Park as Amy Chang Ellen Wroe as Sally Ride Tim Jo as Steve Pomeranz Josh Duvendeck as Nathan Morrison Kayla Blake as Dr. Kouri Lauren Sweetser as Jewel Dustin Seavey as Lee Atwater Co Starring Goran Ivanovski as Dr. Dimitri Mayakovsky Andre Boyer as Jason Wilhelm Timothy Ware-Hill as Cameron Wolfgeher Juliet Brett as Natalie Bishop Eugene Alper as Colonel Viktor Tsukanov Alim Kouliev as Soviet Diplomat Joe Sobalo Jr. as Jonathan Gatos Jinny Chung as Liz Phang