| A | B |
| Scout | Jean Louis, sister of Jem, protagonist |
| Jem | Jeremy, brother of Scout |
| Boo | Arthur Radley, recluse, rumored to be violent |
| Nathan | Boo's brother, took over for his father |
| Calpurnia | House maid to the Finches, mother figure to Jem and Scout |
| Miss Maudie Atkinson | Neighbor whose house burns down, explains about Mockingbird to Jem and Scout |
| Dill | Charles Baker Harris, small orphan that comes to stay with his Aunt |
| Miss Caroline Fisher | Scout's teacher who tells her to quit learning to read |
| Tom Robinson | Man accused of the rape of Mayella Ewell |
| Mayella Ewell | Accusing Tom Robinson of rape |
| Burris Ewell | Classmate of Scout that has "cooties" |
| Uncle Jack | A medical doctor, brings air guns to the children for Christmas |
| Aunt Alexandra | Wants Scout to be more lady like |
| Atticus | Lawyer, father of Jem and Scout |
| Mrs. Lafeyette Dubose | Crotchety neighbor who fights morphine addiction |
| Link Deas | Tom Robinson's boss |
| Dolphous Raymond | Drinks coke out of a paper bag, loves a woman of a different color than him |
| Miss Stephanie Crawford | Town gossip |
| Mr. Gilmer | Prosecuting attorney |
| Miss Rachel | Dill's aunt |
| Helen Robinson | Tom's wife |
| Cecil Jacobs | Neighbor boy who isn't afraid of the Radley house |
| Lula | Church friend of Calpurnia |
| Reverend Sykes | Calpurnia's minister |
| Zeebo | Calpurnia's son and trash man |
| Judge Taylor | Judge in the Tom Robinson trial |
| Heck Tate | Sheriff of Maycomb |
| Walter Cunningham, Jr. | Classmate of Scout, comes home with the Finch children to eat |
| Walter Cunningham, Sr. | Has entailments, comes to the jail with a group of men |