| I | Mr. | Todd | A baseball coach. |
| | Duncan | Gray | A baseball player. |
| | Nyle | Jacques | Duncan's buddy. |
| | Beatriz | Lopez | The secretary of the student council. |
| | Chonglin | | Jingson's younger brother. |
| | Calliope | June Snow | A girl who have tourette's syndrome. Aka: Calli |
| | Jinsong | P'eng | The president of the student council. |
| | Rosamelia | | A flowershop's owner. |
| | Mrs. | Rivers | The registrar. |
| | D. | Khan | A homeroom teacher. |
| | Ivy | Andrews | One of Calli's classmates. |
| | Hazel | | Ivy's friend. |
| | Gwyneth | | One of Calli's classmates. |
| | Mrs. | Ainsley | An Art teacher. |
| | James | McKinley | The vice-president of the student council. |
| | Mrs. | Sumner | A retired school teacher. |
| | Tom | | Calli's mother's boyfriend. |
| | Dr. | Flagner | A neurologist. |
| | Tilly | | One of Calli's classmates. |
| | Grace | | Tilly's friend. |
| | Mrs. | Locke | A science teacher. |
| II | Kenny | Gunn | Jingson's classmate. |
| | Miss | Emerson | The school librarian. |
| | Miss | Baumgartner | The school counselor. |
| III | Mrs. | P'eng | Jingson's mother. |
| | Mrs. | Ellison | The school principal. |
| | Reno | | Calli's stepfather. |
| | Ru | P'eng | Jingson's father. |
| | Mrs. | MacCabe | Jingson's teacher. |
| | Paige | | Calli's new friend. |
