Guest Stars Jane Mahady as Katya Velcra Alistair Green as Count Smolny Nicholas Hoult as Pugachev Julian Barratt as Doctor Vinodel Ali Ariaie as Raskolvy Tristan Beint as Soldier Alexi Dustin Demri-Burns as Voltaire Timothy Walker as Soldier Emile Eloise Webb as Sylvana Kiki May as Nadia Anthony Welsh as Father Basil Sam Coulson as Pugachev / Peter Double Aiyana Goodfellow as Tula Danielle Galligan as Yula Tallulah Bond as Zasha Ninette Finch as Shakey Waleed Akhtar as Oleg Kaminsky
