This is Kino, he is a pearl diver that is very poor. He has a son and wife, Coyotito and Juana. One day his son gets bit by a scorpion and they don't have money to help him. So he goes diving and coincidentally he finds the "world's greatest pearl." This is Kino thinking about how much is life is going to change after the money from the pearl.
This Juana, she is Kino's wife and the mother of Coyotito. She is unsure of their new found fortune and thinks it is going to tear their family apart.
This is Coyotito, he is the son of Juana and Kino. Coyotito was bit by a scorpion and it becoming extremely ill.
Kino's brother, pictured on the right, Juan Tomas. He cares very much about is brother and his family. He is helping make sure they get a good amount of money for the size of the pearl. He also is making sure the money is well within the family.
This is the doctor. He refuses to treat Coyotito's illness because Kino doesn't have money. Then after kino finds his fortune. He tries to steal it.
This is the priest. After he finds out about Kino's fortune he begins to think about repairs and things for the church he could use the money for.