Guest Stars Noah Harpster as Bill Strausser Meghan Leathers as Pam Horton Piotr Adamczyk as Sergei Orestovich Nikulov Teya Patt as Emma Jorgens 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 Michael Benz as Gary Piscotty Connor Tillman as Vance Paulson Ellen Wroe as Sally Ride Garrett Reisman as Garrett Reisman Wendy Schenker as Dr. Mitchell Lily Huynh as Linh Co Starring David R. Chandler as Jimmy Stevens Zac Titus as Charles Bernitz Chris Cortez as Steve Lopez Andre Boyer as Jason Wilhelm Long Nguyen as Kelly's Dad