Scout: The narrator and the protagonist. She is intelligent and, by the standard of her time and place, a tomboy. Scout has a combative streak and a basic faith in the goodness of the people in her community.
Atticus: has very dry sense of humour, but he has strong sense of morality and justice. He stands up for what he believes is right and helps to establish racial equality.
Jem: A typical American boy, refusing to back down from dares and fantasizing about playing football. He is Scout's close companion and protector.
Tom Robinson: a black man who is accused of raping a white woman. He is one of the "mockingbirds" in the story, an important symbol of innocence destroyed by evil.
Miss Maudie Atkinson : a family friend and a sharp-tongued woman. Has strong passion for justice and is the children' best friend amond the adults in town.
Boo Radley: dominates the imaginations of Jem, Scout, and Dill. He is a powerful symbol of goodness swathed in an initial shroud of creepiness, leaving little presents for Scout and Jem and emerging at an opportune moment to save the children. He is one of the novel’s “mockingbirds,” a good person injured by the evil of mankind.
Calpurnia: is a stern disciplinarian and the children’s bridge between the white world and her own black community.
Aunt Alexandra - Atticus’s sister, a strong-willed woman with a fierce devotion to her family. Alexandra is the perfect Southern lady, and her commitment to propriety and tradition often leads her to clash with Scout.