Guest Stars Jane Mahady as Katya Velcra Julian Barratt as Doctor Vinodel Nicholas Hoult as Pugachev 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 Keon Martial-Phillip as Soldier Vasily Minnie Gale as Fedora 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