Guest Stars Daisy Head as Genya Safin Luke Pasqualino as David Kostyk Simon Sears as Ivan Co Starring Sujaya Dasgupta as Zoya Nazyalensky Gareth Turkington as Feliks Mark Springer as Zemeni Ambassador Lucy Griffiths as Luda Steven Hartley as Commander Chalikov James Littlewood as Ravkan Hunter Muki Zubis as Tidemaker Luke Kaile as Vanya James Hillier as Captain Churik
