The Great

Elle Fanning portrays Catherine II, also known as Catherine the Great, the Empress of Russia. Catherine is a young and ambitious woman who becomes determined to change the country for the better after marrying Peter III.

Phoebe Fox plays the role of Marial, a lady-in-waiting and confidante to Catherine. Marial is a witty and cunning character who helps Catherine navigate the treacherous court of the Russian royal court.

Gwilym Lee plays the character of Grigor Dymov, a close friend and ally of Catherine. Grigor is a loyal and dedicated confidante who stands by Catherine's side throughout her journey to become the Empress.

Adam Godley portrays the Archbishop, a high-ranking clergyman in the Russian Orthodox Church. The Archbishop plays a significant role in the political and religious landscape of Catherine's reign.

Douglas Hodge plays General Velementov, a military officer who serves under Peter III. General Velementov is a stern and disciplined soldier who becomes entangled in the power struggles between Catherine and Peter.

Belinda Bromilow portrays Elizabeth Petrovna, a member of the Russian royal court. Elizabeth Petrovna is a complex character with her own motivations and desires, adding to the intrigue of the series.

Nicholas Hoult portrays Peter III of Russia, Catherine's husband. Peter III is depicted as a naive and ineffective ruler who is more interested in partying and indulging in his own pleasures than governing the country.

Sacha Dhawan portrays Orlo, a military general and advisor to Catherine. Orlo is a key figure in Catherine's rise to power and provides her with valuable guidance and support.