Guest Stars John Dagleish as Felix Adrian Edmondson as Denys Porlock Ben Schnetzer as Young Mike Evans Lan Xiya as Tang Hongjing Eve Ridley as Follower Benjamin Jia as Lead Operator Deng Qiaozhi as Lei Zhicheng Yu Guming as Yang Weining Tom Wu as Count of the West Kevin Eldon as Sir Thomas More Shalini Peiris as Colleague Russell Yuen as Emperor Zhou Rhys Bevan John as Researcher Lokky Lau as Engineer Hon Ping Tang as Sentry 1 Kerena Jagpal as Eva Ali Noorani as Dr. Chowdhury Ami Tredrea as Scientist Carlotta Banat as Olivia