| Term | Definition |
| Mrs. Macauley | Mom. gives essential advice to Homer |
| Matthew Macauley | Father, dead |
| Ulysses | Adventurous, curious, youngest, waves at Negro on the train |
| Homer | Messenger in the telegram office, almost wins 22-low hurdles, learns multiple life lessons throughout the book, cries a lot |
| Marcus | Brother, oldest, in the army, dies in the end of the book |
| Bess | Sister, gives the soldiers a good time |
| Mary Arena | Bess's best friend, Marcus's girlfriend, also gives soldiers a good time |
| The Negro on the train | Going home, waves to Ulysses |
| Mr. Grogan | Often drunk, operator of the telegram office |
| Mr. Spangler | Owner of telegram office, Homer idolizes him, is calm when being robbed, calmness causes unsuccessful holdup |
| Diana Steed | Spangler's girlfriend |
| The veteran | Lonely, likes rabbits |
| Miss Hicks | Ancient History teacher, teaches Hubert and Homer an important lesson |
| Hubert Ackley III | Snobby, rich, becomes friends with Homer, wins 22-low hurdles |
| Helen Eliot | Beautiful, causes controversy, read's aloud in the Ancient History class |
| Joe Terranova | Funny, doesn't know what nationality he is |
| Coach Byfield | Tackles Homer |
| Mr. Ek | The school principal |
| Big Chris | Buying the big trap from Covington, helps Ulysses get out of the trap |
| Mr. Covington | Owner of Covington's sporting goods, also helps Ulysses get out of trap |
| The girl on the corner | Kissed by Spangler |
| Young Corbett | Former Boxer, Owns Corbett's (the bar) |
| Fat (Norman) | Soldier that Bess and Mary hang out with |
| Alan Beaufrere | Son of Claudia Beaufrere, dies in war |
| Mrs. Beaurere | Has a sad birthday because news is given to her that her son Alan died |
| Mrs. Sandoval | Woman whose son also dies in the war, acts like Homer is her son |
| Juan Domingo Sandoval | Son of Mrs. Sandoval, dies in the war |
| John, the holdup man | Young man who tries to rob telegram office, Spangler calms him down, unsuccessful in robbery, realizes mistake |
| Auggie Gottlieb | Sells newspapers |
| Lionel Cabot | Always makes mistakes |
| Mr. Henderson | has the apricot tree in his yard |
| Mr. Ara | Food store owner, son is always pestering him for food |
| John, Mr. Ara's son | Always asks for food, never looks happy |
| Mrs. Gallagher | Librarian, doesn't think much of books |
| Rosalie Simms-Peabody | The woman who went around the world disguised as different people, gives Homer a telegram |
| Dolly Hawthorne | Head of the prostitute ring |
| The girl at the Bethel Rooms | Also a prostitute, gives Homer a letter to mail |
| Mr. Mechano | Man who is robot-like, Ulysses runs away from him |
| Tobey George | One of the soldiers who came home |
| Enoch Hopper | Hyperactive child |