Jean Louise Finch (Scout) : daughter of Atticus, younger sister of Jem Finch, main character of TKAM, niece of Jack and Alexandra

Jem Finch : Son of Atticus, older brother of Scout, Alexandra and Jack's nephew, Francis's uncle

Atticus Finch : Father of Scout and Jem, brother of Jack and Alexandra, employer of Calpurnia, defended Tom in a court

Aunt Alexandra : Aunt of Scout and Jem, sister of Atticus and Jack

Calpurnia : Works for the Finch, African-American, attends the same church as the Robinson family

Miss Maudie Atkinson : Lives across from the Finches. One of their closest family friends.

Mrs. Henry Lafayette Dubose : The Finch's neighbour, had Scout and Jem read to her while trying to cure her morphine addiction.

Arthur (Boo) Radley : Finch's neighbours, son of Mr. and Mrs. Radley, saved Scout and Jem from Bob Ewell

Mrs. Radley : Deceased, Wife of Mr. Radley, Mother of Arthur, Finch's neighbours

Mr. Nathan Radley : Husband of Mrs. Radley, Widower, Father of Arthur, Finch's neighbours

Tom Robinson : Accused of rape of Mayella Ewell, African-American, Defended by Atticus in court.

Mayella Ewell : Accused Tom of rape, daughter of Bob Ewell, oldest of her 7 siblings

Robert. E. Lee "Bob" Ewell : Father of Mayella, witness in the rape case, hates African-Americans, framed Tom Robinson, attacked Jem and Scout, threatened to hurt the Finch family, died in the end of the story

Judge John Taylor : Judge of the rape case

Mr. Dick Avery : Finch's and Miss Maudie's neighbour, Lives across Mrs Henry Lafayette Dubose

Walter Cunningham : Scout's classmate, son of Mr. Cunningham

Mr. Cunningham : Father of Walter, client of Atticus, a farmer

Dill Harris: Friend of Jem and Scout, lives in Meridian, comes to Macomb County every summer to stay with his Aunt Rachel

Cecil Jacobs : Schoolmate of Jem and Scout, walks a mile every day to school to avoid the Radley place and Mrs. Dubose

Miss Caroline Fisher : Scout and Walter's first grade teacher, had arguments with Scout on the first day of school

Jack Finch : Uncle of Scout and Jem, Brother of Atticus and Alexandra, Great-uncle of Francis

Francis Hancock : Alexandra's grandson, Atticus and Jack's great-nephew, Jem and Scout's nephew.

Mrs Taylor : Judge Taylor's wife.

Mr. Horace Gilmer : State attorney representing the Ewells.

Helen Robinson : Wife of Tom Robinson, African-American

Ms. Stephanie Crawford : The town busybody, the Finch's neighbour

Mr. Link Deas : Tom Robinson's employer, stood up to defend him in court, tried to help the Robinson family by protecting Helen from Bob Ewell's harassment and giving her a job after Tom was arrested

Mr Dolphus Raymond : A white landowner who prefers to live among the African-Americans. Has an African-American wife and mixed children. Met Jem, Scout and Dill outside the courthouse.

Mr. Heck Tate : Sheriff of Maycomb County, Atticus's friend

Mr Braxton Underwood : Owns and published the Macomb Tribune, helped Atticus by defending him with a shotgun from the Cunningham mob

Zeebo : Calpurnia's eldest son, the vocal leader of First Purchase, garbage man of Maycomb, welcomed Scout and Jem to the church when Lula made them feel bad for coming, African-American

Jessie : Mrs. Dubose's African-American nurse

Ms Rachel Haverford : Dill's aunt, the Finch's next door neighbour

Burris Ewell : Son of Bob Ewell, younger brother of Mayella Ewell, attends the same school as Jem and Scout but never comes back after the first day like all Ewell children.