| John |
Aarons | Westhaven clinic assistant. |
| Carole |
Ainsley | Keith's mother; lawyer. |
| George |
Ainsley | Keith's father; lawyer. |
| Keith |
Ainsley | The boy lying along the dead body. |
| Tammy |
Bergin | Murdered victim. |
| Jean Pierre |
Bernard | Keith's playmate. |
| Tony |
Bigelow | Detective. |
| Margaret Ann |
Birch | Murdered victim. Aka: Peggy. |
| Mama |
Carmello | Manny's mother. |
| Manny |
Carmello | Restaurant owner. |
| Gina |
Carr | Fitness trainer; Stella's other girlfriend. |
| Stella |
Dean | Peggy's girlfriend. |
| Felix |
Foster | Harriet's brother. |
| Harriet |
Foster | Protagonist; detective. Aka: Harri. |
| Reggie |
Foster | Harriet's son. |
| Tamara |
Foster | Felix's wife. |
| Emil |
Gershon | Westhaven's director. |
| Frank |
Gibson | Bodie's neighbor. |
| Olivia |
Grant | Medical examiner. |
| Sharon |
Griffin | Harriet's new boss; detective sergeant. |
| H. H. |
Holmes | First American serial killer. |
| Niles |
Jensen | Amelia's biological father. |
| Matt |
Kelley | Harriet's new colleague. |
| Alvin |
Keyes | Serial killer known as the Beltway Slasher. |
| Joie |
Lenk | Amelia's studio mate. |
| Vera |
Li | Tony's partner. |
| Jim |
Lonergan | Harriet's new partner. |
| Amelia |
Morgan | Bodie's sister. Aka: AM, Amelia Davies, Anika Jensen. |
| Bodie |
Morgan | Obsessed with girls with big blue eyes. |
| Priscilla |
Morgan | Bodie and Amelia's mother. |
| Tom |
Morgan | Bodie and Amelia's father. |
| Frank |
Morton | Bodie and Amelia's family friend. |
| Dr. |
Norton | One of Dr. Silva's colleagues. |
| Maureen |
Pike | Bar manager. |
| Elysse |
Pratt | Girl who found the dead body. |
| Mallory |
Rea | Activist; second victim. |
| Joe |
Rimmer | Peggy's ex-boyfriend. |
| Sal |
Rosales | Medical examiner technician. |
| Katherine |
Samuels-Key | Joe's date at the bar. Aka: Melissa Cooke. |
| Raphael |
Santos | Attending physician. |
| Mariana |
Silva | Bodie's psychiatrist. |
| William |
Sims | Passenger who helped Pratt. |
| Wendy |
Stroman | Peggy's roommate. |
| Glynnis |
Thompson | Harriet's ex-partner; deceased. |
| Mike |
Thompson | Glynnis's husband. |
| Todd |
Thompson | Glynnis's son. |
| Ashley |
Tighe | Wendy's friend. |
| Giles |
Valentine | Bartender. |
| Kiara |
Varadkar | Medical examiner on Silva's body. |
| Ellen |
Vosk | Hospital receptionist. |
| Evelyn |
Wicks | Another victim. |
| Caleb |
| Vera's ex-boyfriend; psychiatrist. |
| Earl |
| Manny's employee. |
| Giannis |
| Responding officer. |
| Hernandez |
| Police officer. |
| Jamie |
| Todd's brother. |
| Jason |
| Amelia's date. |
| Lost |
| Harriet's cat. |
| Malcolm |
| Perez's partner. |
| Morton |
| Police officer. |
| Nowak |
| Realtor. |
| Perez |
| Police officer. |
| Symansky |
| Harriet's colleague. |
| Wally |
| Vera and Will's son. |
| Will |
| Vera's husband. |
| Winston |
| Joie's bulldog. |