The main characters in the 'Bloody Chamber Full Story' might include a young woman who is the central figure in the eponymous 'bloody chamber' story. There could be an older, more powerful male figure, perhaps a nobleman or a magician - like character who holds sway over her. There may also be secondary characters like servants or friends of the protagonist who play important roles in either helping or hindering her in the face of the mystery and danger.
Well, in this type of story, there could be a protagonist who is a curious and perhaps naive young girl. She might be lured into a situation by a charming but potentially sinister male. There could also be a wise old woman character, like a witch or a seer, who tries to warn the protagonist about the impending danger. And of course, there could be a villainous character, someone who is cruel and has a dark past, and whose actions are the root cause of the 'bloody' and mysterious events in the chamber.