Since I haven't read the 'mistakenly married by you novel', it's hard to say exactly. However, in similar novels, the main characters often have contrasting personalities. One might be a rich and arrogant type who is used to getting his way, and the other could be an ordinary person who was swept up in the mistake. They might start off disliking each other but as the story unfolds, their relationship evolves.
I don't know for sure as I haven't read it. But usually in such novels, there would be a male and a female lead. The male lead might be a strong - willed person who initially resents the mistaken marriage, and the female lead could be a kind - hearted but perhaps naive character who also has to come to terms with the situation.
I'm not sure specifically as I haven't read this exact novel. But generally, in stories with a'mistakenly married' theme, there might be a situation where two characters get married due to some misunderstandings, like false identities or miscommunications. Then they usually have to deal with the consequences of this unexpected union and might end up falling in love for real as they get to know each other better.
Well, there's the protagonist who is the one that mistakenly saves the villain. And of course, the villain is also a main character. But without more information about the specific novel, it's hard to say much more about them.
I don't know the specific main characters since I haven't read the novel. But they are likely to be the couple who are married for the 120 days, maybe a young couple full of dreams and ideals about marriage.
Without reading the novel, it's difficult to name the main characters precisely. But generally, in a 'Married at First Sight' story, we would expect the newlywed couple as central characters. There might be other supporting characters like the people who run the program or experiment (if it's set up that way), and those in the couple's social circles such as neighbors or coworkers who may be affected by or have an impact on their relationship.
In this novel, the main characters are surely the billionaire and his secretly married partner. The billionaire might be portrayed as a complex character, with a tough exterior in the business realm but a soft heart deep down. His partner could be someone who is not intimidated by his wealth and status. She might have her own dreams and goals, and their relationship starts to develop as they get to know each other better in the context of their secret marriage.
I'm not sure as I haven't read it, but it could be the couples who get married at first sight.
In a 'Married at First Site Novel', the main characters are likely to be the two individuals who enter into this instant marriage. They would be the ones whose relationship the story focuses on. There could also be some supporting characters such as a matchmaker - type figure who arranged the marriage, or a nosy neighbor who is always watching and commenting on their relationship. Their personalities would probably be very different, which would lead to various conflicts and reconciliations throughout the story.
Since we don't know the exact content of the 'Married First Sight Novel', the main characters might be the people who decide to get married without really knowing each other well. There could also be some supporting characters like their friends or family members who have different opinions about their decision and influence the story in various ways.
I'm not sure specifically as I haven't read the novel. But it could be the couples who are getting married at first sight, and perhaps the people involved in arranging these marriages like matchmakers or family members who play important roles in their lives.
The main characters in such a novel would usually include the person who gets married to the secret billionaire. This could be a young, independent - minded individual. The secret billionaire is another key character, often portrayed as a charming yet mysterious figure. There may also be a villainous character, like a business rival of the billionaire who tries to use the newly discovered relationship to their advantage. Additionally, there could be a wise old mentor type of character who gives the main characters valuable advice on how to handle their new situation.