| Trace | Adkins | One of the cowboy singers. |
| Grandma | Andersen | Quilla's mother. |
| Quilla | Andersen | Trisha and Pete's mother. |
| Mr. | Bork | The science teacher at Stanford. |
| Joe | Castiglione | A famous baseball player. |
| Mark | Chestnutt | One of the cowboy singers. |
| Mrs. | Chetwynd | Trisha's neighbor. |
| Jim | Corsi | A baseball player. |
| Celine | Dion | A famous singer. |
| Mrs. | Garmond | Trisha's kindergarten teacher. |
| Debra | Gilhooly | Trisha's classmate. |
| Tom | Gordon | Trisha's favorite Red Sox player. |
| Granny | Grunt | Pepsi's grandma. |
| Mr. | Hall | Trisha's teacher. |
| Travis | Herrrick | The hunter who found Trisha in the woods. |
| Derek | Jeter | The Yankee's shortstop. |
| Darren | Lewis-Deelu | The baseball announcer. |
| Francis Raymond | Mazzerole | The alleged kidnapper. |
| Elias | McCorkle | The farmer in 1905. |
| Scrooge | McDuck | Trisha's uncle. |
| Grandma | McFarland | Larry's mother. |
| Larry | McFarland | Trisha and Pete's father. |
| Patricia | McFarland | Missing. Protagonist. Aka: Tricia. |
| Pete | McFarland | Trisha's older brother. |
| Eddi | Rayburn | Pete's friend. |
| Arthur | Rhodes | Pepsi's neighbor. |
| Pepsi | Robichaud | Trisha's childhood friend. |
| Mrs. | Thomas | One of Trisha's neighbors. |
| Jerry | Trupiano | An American radio sportscaster. |
| Mo | Vaugh | A baseball player. |
| Tim | Wakefield | Boston's knuckleballer. |
| Adam | | Pepsi's crush. |
| Frank | | Mrs. Thomas's friend. |
| Mona | | Trisha's doll. Aka: Moanie Balogna. |
| Troop | | The baseball announcer. |
| Walt | | A cellular El Dopo. |
