| Dr. | Chaney | The school principal of Olivia Shaw. |
| Lynden | Jakes | Olivia's art teacher. |
| Peter | Lyons | Valerie's husband. |
| Eva | Marquez | Principal Chaney's assistant. |
| Patricia | Ortiz | Sean's mother. |
| Sean | Ortiz | Found Ella. A Detective at Seattle PD. |
| Lainey | R. | Laine M's workmate. |
| Dr. Elise | Rowland | Laine's doctor. |
| Ella | Santos | The Missing Girl. Protagonist. |
| Jacqueline | Shaw | Olivia's adoptive mother. |
| Olivia | Shaw | The missing 10-year-old girl. Laine's daughter. |
| Tom | Shaw | Jacqueline's husband. Olivia's adoptive father. |
| Jacinta | Velasquez | Jacqueline's half-sister. Olivia's aunt. |
| Charlene | | Laine's manager. |
| Chloe | | A former stripper. Laine's friend. |
| Dom | | Laine's boss. |
| James | | The club customer. |
| Murphy | | Found Ella. |
| Sugar | | A drug dealer. Laine's friend. Aka: Running Buddy. |
| Valerie | | Laine's mother. Aka: Valerie, Val. |