Elle Fanning
Catherine II of Russia (10 eps)
Phoebe Fox
Marial (10 eps)
Gwilym Lee
Grigor Dymov (10 eps)
Adam Godley
Archbishop (10 eps)
Douglas Hodge
General Velementov (10 eps)
Belinda Bromilow
Elizabeth Petrovna (10 eps)
Bayo Gbadamosi
Arkady (10 eps)
Nicholas Hoult
Peter III of Russia (10 eps)
Charity Wakefield
Georgina Dymova (10 eps)
Florence Keith-Roach
Tatyana (10 eps)
Grace Molony
Queen Agnes (10 eps)
Freddie Fox
King Hugo (10 eps)