charles dickens was the first man to write about poor nad hungry children orphans [ children without a mother and father] and children who worked hard in factories.
oliver twist the hero of the book and the film is a poor orphan. He runs away from the orphange and he gets into a band of thieves. The leader of the gang is a horrible man. But the film, just like dickens' life , has a happy ending.
Also the film director, roman polanski, who made the film oliver twist, had a difficult childhood. He was born in poland during the war and as a child he was often hungry . Now hi es famous director and all actors and actresses want to star in his films.