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