Guest Stars Olivia Ross as Mademoiselle Bourienne Emily Taaffe as Katya Thomas Arnold as Vassily Denisov Guillaume Faure as Napoleon's Adjutant Kate Phillips as Lise Bolkonskaya David Quilter as Tikhon Ben Lloyd-Hughes as Tsar Alexander Jolyon Coy as Kaisorov Kit Connor as Petya Rostov Pip Torrens as Prince Bagration Benjamin Wainwright as Captain Berg William Brand as Austrian War Minister Michael Epp as Austrian Official Vilius Tumalavicius as Retreating Soldier 1 Vygandas Vadeisa as Retreating Soldier 2 Vladimir Chernyshov as Bezukhov Major-Domo Vincent Brimble as Bald Hills Doctor