Special Guest Stars Matt Ryan as Dr. Gwyn Davies Guest Stars Stefanie von Pfetten as Dr. Irina Petrov Ego Mikitas as General Kalashnik Co Starring Andrei Kovski as Irina's Contact Robert Hayley as Scared Soldier Adam al Gouti as Big Kid Atlee Smallman as Small Kid Uncredited Nick Zano as Robo Nate Lisseth Chavez as Robo Spooner Olivia Swann as Robo Astra Jes Macallan as Robo Dr. Sharpe Tala Ashe as Robo Zari Caity Lotz as Robo Sara Shayan Sobhian as Robo Behrad