Guest Stars Danielle Galligan as Nina Zenik Calahan Skogman as Matthias Helvar Simon Sears as Ivan Tom Weston-Jones as General Zlatan Co Starring Sujaya Dasgupta as Zoya Nazyalensky Julian Kostov as Fedyor Gareth Turkington as Feliks Yasmine Maya as Kerch Ambassador Dénes Ákos Gere as Lieutenant Ostap Tam Dean Burn as Kerch Captain Tarik Mesfun as Kerch Sailor 1 Martin Berencsy as Aide of Kerch Ambassador Johnny K. Palmer as Bartender Shaun Cowlishaw as Kerch Sailor 3 Hannah Lee as Kerch Sailor 2 Nick Cornwall as Slaver