Guest Stars Noah Harpster as Bill Strausser Nate Corddry as Larry Wilson Meghan Leathers as Pam Horton Piotr Adamczyk as Sergei Orestovich Nikulov Dan Donohue as Thomas Paine John Marshall Jones as General Nelson Bradford Nick Toren as Tim "Bird Dog" McKiernan Michaela Conlin as Helena Webster Charlie Schlatter as Paul Michaels Michael Benz as Gary Piscotty Connor Tillman as Vance Paulson Ellen Wroe as Sally Ride Jeff Hephner as Sam Cleveland Josh Duvendeck as Nathan Morrison Nikola Djuricko as Stepan Petrovich Alexseev Endre Hules as Soviet Chief Engineer Alexander Babara as Radislav Semenovich Orlov Co Starring David R. Chandler as Jimmy Stevens Zac Titus as Charles Bernitz Chris Cortez as Steve Lopez Andre Boyer as Jason Wilhelm Irina Maleeva as Marta Robert Werner as Victor, Engineer