| Officer | Adams | Police officer. |
| Grandma | Barnett | Tyler's grandmother. |
| Mr. | Benson | Tyler's probationary officer. |
| Mrs. | Bentley | Hannah's employer. |
| Mr. | Clarke | US Government official. |
| Davis | Gunnarson | Photographer. |
| Mrs. | Harrison | Tyler's art history teacher. |
| Jill | Hewson | Tyler's lawyer. |
| Calvin | Hodges | Tyler's friend. AKA: Yoda. |
| Mr. | Hughes | School principal. |
| Mr. | Irwin | One of Tyler's teachers. |
| Bethany | Milbury | Tyler's crush. The most beautiful and popular girl in school. |
| Bruce | Milbury | Bethany's father. CEO of Milburt Trust. |
| Chip | Milbury | Bethany's twin brother. |
| Doreen | Milbury | Bethany's mother. |
| Bill | Miller | Tyler's father. A corporate tool. |
| Grandpa | Miller | Tyler's grandfather. |
| Linda | Miller | Tyler's mother. Pet photographer. Cake baker. |
| Tyler John | Miller | Protagonist. AKA: Nerd Boy. |
| Zithead | Parker | Bethany's friend. |
| Sue Jen | Parks | Hannah's friend. |
| Stacey | Peters | Bethany's friend. |
| Mr. | Pirelli | Tyler's employer. |
| Josh | Rawson | Bethany's friend who's having a party. |
| Mikhail | Roberts | Bethany's friend. |
| Mr. | Salvatore | One of Tyler's teachers. |
| Pete | Satterfield | Linda's lawyer. |
| Alison | | Bethany's friend. |
| Doopey | | Tyler's companion. |
| Hannah | | Tyler's sister. |
| Joe | | Tyler's companion. Head Custodian at Tyler's school. |
| Kezzie | | Linda's new dog. |
| Michele | | Bethany's friend. |
| Parker | | The boy at the Milbury's party. |
| Toothless | | Tyler's companion. |
