Guest Stars James Northcote as Alexander Bezborodko Antonia Clarke as Sophia / Maria Adam El Hagar as Valerian Zubov Iain Mitchell as Archbishop Arsenius John Hodgkinson as Rumyantsev Felix Jamieson as Alexander Edmund Kente as Priest Raphael Acloque as Platon Zubov Paul Hickey as English Ambassador Albert Welling as German Ambassador
