In the 'Queen Charlotte' novel, Queen Charlotte is the primary character. Her husband is likely to be another main character, as their relationship is crucial to the narrative. There could be influential courtiers, such as those who held important political or social positions at court. These courtiers may have had their own agendas and power struggles with Queen Charlotte. Additionally, there may be family members or confidants of Queen Charlotte who are also key characters, as they would be involved in her personal and political life.
Obviously, Queen Charlotte is a central character in the 'Queen Charlotte' novel. Her husband would be an important figure as well, as their relationship would have a great impact on the story. Courtiers, who were part of the royal court, would also be significant. They might be friends, foes or advisors to Queen Charlotte. Servants could also be main characters in a way, as they would provide a different perspective on the goings - on in the palace and their interactions with Queen Charlotte could reveal aspects of her character.