The main characters are the young man and the princess. The young man is the one who has to make the fateful choice between the two doors. The princess is his lover who knows which door hides the lady and which hides the tiger.
The main characters are the young man who is on trial, the princess who loves the young man, and the king who arranges this cruel form of trial. The young man is in a difficult situation because of the king, and the princess is torn between her love for the man and her jealousy (if he were to choose the lady behind the door).
The main characters are the young man, the king, and the king's daughter (the princess).
The main characters are the young man, the king, the king's daughter (the princess), the lady behind one of the doors, and of course, the tiger behind the other door.
The main characters are, of course, the old lady and the tiger. The old lady is often a symbol of the more gentle or unexpected element in the story, while the tiger represents the wild and dangerous aspect.
The main characters are the young man, the princess and the king. The young man is in love with the princess. The king is the one who arranges this cruel trial. And the princess is the key figure as she knows what lies behind the doors and her decision (signaling) is crucial to the young man's fate.
The main conflict is that the young man has to choose between two doors, one with a lady behind it and the other with a tiger. If he chooses the door with the lady, he has to marry her, but if he chooses the door with the tiger, he will be killed. And the princess, who loves the young man, knows which door is which, but she is conflicted because she is jealous of the lady and also doesn't want the young man to die.
The two main characters are the young man who is looking for accommodation and the land lady who runs the boarding house.
If it's a typical tiger - related story, the main characters could be the tiger kids, their mother who teaches them important skills, and perhaps some other animals in their habitat like a wise old monkey who gives them advice from time to time.
Obviously, the boy and the tiger are the main characters.
Obviously, the boy is a key character. He's the one whose journey we follow. And the tiger is also central. It's not just an animal but almost like a force of nature in the story that the boy has to reckon with. There may be other minor characters, but these two are the most important.