Elle Fanning

Catherine II of Russia

Grace Molony

Queen Agnes

Florence Keith-Roach

Tatyana

Charity Wakefield

Georgina Dymova

Nicholas Hoult

Peter III of Russia

Bayo Gbadamosi

Arkady

Belinda Bromilow

Elizabeth Petrovna

Douglas Hodge

General Velementov

Adam Godley

Archbishop

Gwilym Lee

Grigor Dymov

Phoebe Fox

Marial

Freddie Fox

King Hugo