| Karen | Albright | A psychologist. |
| Daniel | Anderson | One of the Wheaton's neighbors. Aka: Dan. |
| Dr. | Andrade | A pathologist. |
| Justin | Bieber | Canadian singer-songwriter. |
| Shannon | Blume | One of the girls from Seattle-Tacoma who was murdered. |
| Ted | Bundy | American serial killer. |
| Ellie | Burbank | Laurna's niece. |
| Megan | Carpenter | A detective. |
| Bernadine | Chesterfield | A social worker and victims advocate. Aka: Bernie. |
| Maddie | Cohen | Dante York's off-and-on girlfriend. |
| Elena Milagro | de Hoyos | Carl Tanzler's patient. |
| Leanne | Delmont | One of the girls from Seattle-Tacoma who was murdered. |
| Tony | Gray | A sheriff. |
| Jake | Jackson | A news reporter. |
| Earl | Jacobson | Maxine's husband. |
| Maxine | Jacobson | One of the Wheaton's neighbors. |
| Larry | Larsen | A coroner. |
| Dan | Miller | One of the Wheaton's neighbors. |
| Megan | Moriarty | One of the girls from Seattle-Tacoma who was murdered. |
| Maren | Morris | American singer, songwriter, and record producer. |
| Mindy Scott | Newson | A crime scene tech. |
| Sam | Otis | A sawyer from Puget Logging Co. |
| Dr. | Phil | American television personality, author and host. |
| Chantelle | Potter | Carrie's neighbor and friend. |
| Mr. | Potter | Chantelle's husband. |
| Alex Richard | Rader | A serial killer. |
| Ginger | Rhode | Rylee's aunt. |
| Gary | Ridgway | American serial killer. |
| Clifton | Scott | Ellie's lawyer. |
| Paul | Singer | School head administrator. |
| Carl | Tanzler | Radiologic technologists. |
| Regina | Torrance | Live in the hills above Snow Creek. Aka: Reggie. |
| Ruth | Turner | A complainant about her missing sister. |
| Laurna | Volkman | Carrie's sister. |
| Ginger | Walters | William's next of kin. |
| William J. | Walters | An army enlistee. |
| Becky | Webster | A teacher. |
| Ida | Wheaton | Ruth Turner's sister. |
| Merritt | Wheaton | Ida's husband. |
| Susan | Whitcomb | Troy's wife. |
| Troy | Whitcomb | Tyra's father. |
| Tyra | Whitcomb | Ellie's best friend. |
| Marley | Yang | Lab tech supervisor. |
| Dante | York | A future
cryptozoologist. |
| Amy | | Regina's wife. |
| Carrie | | Hudson's wife |
| Chad | | One who worked at sheriff's office. |
| Copsey | | One of Megan's deputies. |
| Courtney | | Real name of Rylee's mother. |
| Davis | | One of Megan's deputies. |
| Drake | | Canadian rapper, singer, songwriter, actor. |
| Eve | | Ruth Turner's daughter. |
| Halsey | | American singer, songwriter, and activist. |
| Hans | | Laurna's husband. |
| Hayden | | Megan's brother. |
| Hudson | | Laurna's brother-in-law. |
| Jared | | A caretaker of animals. |
| Joshua | | Ida's son. |
| Maria | | Megan's roommate. |
| Matt | | Chantelle's son. |
| Miss Cathy | | School secretary. |
| Nan | | One who worked at sheriff's office. |
| Princess Angeline | | Chief Seattle's daughter. |
| Rylee | | Megan's forgotten name. |
| Sarah | | Ida's daughter. |
