In some cases, the father might be a main character if he is involved in the situation that led to the daughter being a secret. For example, if he was the one who wanted to hide the daughter's existence due to his own personal or professional reasons. There could also be other family members like siblings who might play important roles when the secret is revealed.
It depends on the specific story. It could be the mother who has kept the daughter a secret, perhaps out of fear or shame. Another main character could be the daughter herself, as she discovers the truth or deals with the consequences of being a secret.
I don't know for sure, but there's probably the daughter herself as a main character. There might also be her parents or other family members who are related to the secret.
Given the lack of context regarding the 'bastos secret secret story', we can only speculate about the main characters. If Bastos is a person, perhaps they are the central figure, and there could be friends, family members, or foes around them that are part of the story. Maybe there are also some mysterious figures that help or hinder Bastos in the discovery or protection of the secrets in the story.
Obviously, the dejected royal daughter would be one of the main characters. She is the center of the story as it's her secret bedroom. There could also be her maidservant who might be the only one aware of her true feelings and the things she does in her secret bedroom.
Since I'm not familiar with 'the secret miracle story', it's hard to say. However, it could have a character who is in search of the secret miracle and along the way meets other characters who either help or hinder this search. There might be a wise old figure who knows something about the miracle or a young and curious person who stumbles upon it.
Since I don't know the specific 'Secret Room Story', it's hard to say. But usually, there could be a curious explorer who discovers the room, and maybe a villain who wants to keep the secrets in the room hidden.
Since I don't know the specific 'Secret Service Story', I can't say for sure who the main characters are. They could be secret service agents.
The main characters in the 'secret world story' might be a diverse group. There could be a brave young explorer who is curious about the unknown and leads the way into the secret world. There might also be a wise old mentor figure who has some knowledge about the place but not the whole truth. And perhaps a group of friends who support each other throughout the journey in this secret world.
I don't know as we have no information about this 'secret sunshine story'. It could be about a young girl and an old man, or perhaps a group of friends.
The 'Secret of Nimh' has several important characters. Mrs. Brisby is at the heart of the story. She is a widowed mouse with a family to protect. The rats of Nimh are a major part too. They have their own hierarchy and unique abilities. For example, Nicodemus is an important rat leader. He is wise and guides the other rats. Then there's Jeremy, a crow who befriends Mrs. Brisby. He adds some humor to the story and also helps her in her journey. These characters, each with their own traits and motives, interact to create the plot of the 'Secret of Nimh' story.
Maybe the main characters are a detective and a suspect. They might have a secret relationship that is not what it seems on the surface. The detective could be getting too close to the suspect for professional reasons, and there's some sort of unspoken connection between them that is part of the 'secret relationship story'. Another possibility is that the main characters are two co - workers who are having an affair in secret, and the story could be about how they manage to keep it hidden in the workplace environment.