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 Robert Hayley as Scared Soldier Adam al Gouti as Big Kid Andrei Kovski as Irina's Contact Atlee Smallman as Small Kid Uncredited Caity Lotz as Robo Sara Jes Macallan as Robo Dr. Sharpe Tala Ashe as Robo Zari Lisseth Chavez as Robo Spooner Olivia Swann as Robo Astra Nick Zano as Robo Nate Shayan Sobhian as Robo Behrad