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 Rhys Bevan John as Researcher Ali Noorani as Dr. Chowdhury Ami Tredrea as Scientist Kerena Jagpal as Eva Carlotta Banat as Olivia Lokky Lau as Engineer Hon Ping Tang as Sentry 1 Russell Yuen as Emperor Zhou
