Guest Stars Ryan McParland as Adun Casper Knopf as Young John Duncan Pow as John's Father Sarah Ridgeway as John's Mother Jung Hwan as Jin Ha Felipe Gabriel Mariano as Malchin Sky Yang as Ruben Ian Pirie as Professor Hans Peterson as Ops Tech Pereira Johnny K. Palmer as Control Tech Ladi Karen Gagnon as Flight Tech Juric Dávid Csányi as Colonel Stacker Mirjam Novak as Flight Tech Tesic Miklós Béres as Sentry Hayley Canham as Cara Nneka Okoye as Djanka Zachary Hing as Neru Olivia Liu as Faaz Shaun Aylward as Esso Chan Woo Lim as Flight Tech Doan