Guest Stars Gerard Monaco as Collins John Dagleish as Felix Adrian Edmondson as Denys Porlock Eve Ridley as Follower Mark Gatiss as Isaac Newton Jordan Alexandra as Siobhan Conleth Hill as Pope Gregory XIII Reece Shearsmith as Alan Turing Nitin Ganatra as Ranjit Varma Adrian Greensmith as Galileo Shaheen Khan as Priya Varma Ranika Kaur as Geeta Varma Aarushi Ganju as Nisha Varma Yeit-Ming Fu as Guard Ulrich Brandhoff as Gisler Jenson Cheng as Kublai Khan Phil Wang as Aristotle
