| Who is | Character |
| the protagonist | |
| the juvenile outcast | |
| Tom's guardian | |
| the new girl | |
| Tom's best friend | |
| Tom's half-brother | |
| Tom's cousin | |
| the violent, villainous murderer | |
| | Who is | Character |
| the character wrongly jailed | |
| the character who gets murdered | |
| Becky's father | |
| Aunt Polly's slave | |
| Tom's old girlfriend | |
| the character who imitates a steamboat | |
| the new boy Tom 'licked' | |
| the schoolmaster | |
|