Guest Stars Jane Mahady as Katya Velcra Nicholas Hoult as Pugachev Julian Barratt as Doctor Vinodel Tristan Beint as Soldier Alexi Ali Ariaie as Raskolvy Timothy Walker as Soldier Emile Eloise Webb as Sylvana Gethin Alderman as Jean Pierre Ramon Tikaram as Uncle Varnya Minnie Gale as Fedora Keon Martial-Phillip as Soldier Vasily Annabel Baldwin as Leonora Kenneth Collard as Nivitz Dempsey Bovell as Georgev James McNicholas as Doctor Bjørn Vinge Kate Handford as Ludmilla Jon Chew as Dimitri Kang Jack Brett Anderson as Guy Polly Frame as Madam Salanova