Guest Stars Florence Keith-Roach as Tatyana Danusia Samal as Lady Antonia Svenska Louis Hynes as Vlad Jamie Demetriou as Doctor Chekhov Christophe R. Tek as Tartar Nick Charlie Price as Ivan Waleed Akhtar as Oleg Kaminsky Asheq Akhtar as Chef Louis Scarlett Maltman as Countess Dolzikov Natalie Dew as Lizaveta Dan Wyllie as Garry Ilyich Brezhnev Komal Amin as Unknown Lady of the Court Keon Martial-Phillip as Russian POW Troy Kenchington as Swedish Soldier