| Miss | Bell | Erin's former teacher. |
| Jessica | Doyle | Erin's friend. |
| Dr. | Lim | Erin's doctor. |
| Mr. | Sharp | Erin's former teacher. |
| Mr. | Simpson | Erin's P.E. teacher. |
| Mrs. | Wallis | Erin's teacher. |
| Ben | Whitaker | Erin's classmate. |
| Agnes | | Erin's new friend. Aka: Aggie. |
| Amy | | Erin's friend. |
| Billy | | A music hub owner. |
| Caroline | | Erin's manager. |
| Cath | | Rudy and Erin's aunt. |
| Charlie | | Aggie's last boyfriend. |
| Daisy | | Erin's family cat. |
| Damo | | Simon's brother. |
| Dana | | Erin's family maid. |
| Dean | | An autistic boy. Erin's former classmate. |
| Dee | | Erin's best friend. |
| Emu | | Kathy's netball friend. |
| Erin | | Protagonist. A person with Autism. |
| Fred | | Erin's neighbor. |
| Glenda | | The driving instructor. |
| Glenda | | Erin's driving examiner. |
| Kathy | | Rudy's acquaintance. Erin's friend. |
| Kirra | | Aggie's sister. |
| Maria | | Erin's friend. |
| Marilyn | | Erin and Rudy's great-aunt. |
| Mary | | Aggie's sister. |
| Matt | | Rudy's friend. |
| Matt | | The man Jessica dated. |
| Mia | | Mitch's workmate. |
| Mitch | | The man that Erin dated. |
| Molly | | Erin's manager. |
| Oliver | | Erin's brother. |
| Owen | | Cath's husband. |
| Paul | | Erin's driving instructor. |
| Rudy | | Erin's brother. |
| Ryan | | Erin's schoolmate. |
| Simon | | Dee's boyfriend. |
| Tom | | Rudy's friend. |
| Vicky | | Jessica's mother. |
