| Mr. |
Allen | The Browns' neighbor. |
| Hollis |
Brown | Protagonist. |
| Mr. |
Brown | Hollis's father. |
| Mrs. |
Brown | A P.E. teacher; Hollis's mother. |
| Lisa |
Damone | One of Hollis's classmates. |
| Mr. |
Egunyemi | Yulia's father. |
| Yulia |
Egunyemi | Hollis's best friend. |
| Walter |
Eidelman | A century-old ghost who possesses Hollis's body. Aka: Walt. |
| Mr. |
Feehan | The school principal. |
| Brandon |
Finnegan | One of the kids involved in the incident. |
| James |
Miller | The boy who punched Hollis. |
| Stephanie |
Moore | One of the kids involved in the incident. |
| Liam |
O'Malley | One of the seniors at school. |
| Will |
R. | The boy who hosted the party. |
| Timothy |
Reid | James's best friend. |
| Clementine |
Robinson | One of Hollis's classmates. |
| Alex |
Stevenson | One of the seniors at school. |
| Annie |
Watanabe | Hollis's friend and next-door neighbor. |
| Ernest |
| One of the men possessed by Walt. |
| Joe |
| One of Hollis's classmates. |
| Jorge |
| Annie's boyfriend. |
| Marika |
| One of Hollis's classmates. |
| Robin |
| James's friend. |
| Sam |
| The last body possessed by Walt. |
| Toji |
| Walt's friend in the 1930s. |