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