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 Daniel David Stewart as Nick Corrado Lenny Jacobson as Wayne Cobb 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 Tim Jo as Steve Pomeranz Ellen Wroe as Sally Ride 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 Eugene Alper as Colonel Viktor Tsukanov Juliet Brett as Natalie Bishop Timothy Ware-Hill as Cameron Wolfgeher Alim Kouliev as Soviet Diplomat Joe Sobalo Jr. as Jonathan Gatos Jinny Chung as Liz Phang