| Hannah |
Backmann | Attending pathologist on Leena's case |
| Daniel |
Barringer | The witness |
| Amy |
Chan | The girl who saw Leena before she died |
| Sarah |
Chan | Amy's mother |
| Abbigail |
Chester | Clay's old friend |
| Raymond |
Doyle | Twin Falls PD chief |
| Marge |
Duncan | Clay's lawyer |
| Granger |
Forbes | Rachel's partner, psychotherapist |
| Beth |
Forbes | Maddy's best friend |
| Johnny |
Forbes | Beth's husband; Granger's son |
| Douglass |
Forbes | Beth and Johnny's son |
| Chevvy |
Forbes | Beth and Johnny's daughter |
| Tripp |
Galloway | Senior student |
| Eileen |
Galloway | Beth's mother |
| Rex |
Galloway | Beth's father |
| Tripp |
Galloway | Eileen's son; Beth's brother |
| Bob |
Gordon | Tanaka's partner |
| Rachel |
Harr | Aka: Rachel Walczak; retired detective, organic farmer |
| Darren |
Jankowski | Maddy's husband |
| Daisy |
Jankowski | Rachel's granddaughter |
| Lily |
Jankowski | Rachel's granddaughter |
| Sophia |
Larsen | True crime podcast's creative director and producer |
| Federico García |
Lorca | Spanish poet an playwright. |
| Luke |
O'Leary | One of the detectives on Leena's case |
| Liam |
Parks | Owner of Parks Photography |
| Seema |
Patel | One of Leena's classmates |
| Mark |
Pattison | Journalism professor |
| Clayton Jay |
Pelley | Guidance counselor; wrongfully convicted of killing Leena |
| Lacey |
Pelley | Clay's wife |
| Janie |
Pelley | Clay and Lacey's daughter |
| Dusty |
Peters | One of Maddy's friends |
| Natalia |
Petrov | Girl Darsh likes |
| Nina |
Petrov | Natalia's sister |
| Leena |
Rai | Murdered |
| Ganesh |
Rai | Leena's brother |
| Jaswinder |
Rai | Leena's father |
| Pratima |
Rai | Leena's mother |
| Dirk |
Rigg | One of the detectives |
| Merle |
Rigg | Dirk's wife |
| Zane |
Rolly | One of the bikers who hangs out at the pub |
| Gio |
Rossi | Trinity's assistant producer |
| Trinity Jane |
Scott | Co-creator and host of true crime podcast |
| Jepp |
Sullivan | Amy's boyfriend |
| Barb |
Sullivan | Nurse; Jepp's mother |
| Tom |
Tanaka | Police diver |
| Cheyenne |
Tillerson | One of the popular girls in Leena's school |
| Bart |
Tucker | One of the detectives on Leena's case; currently police chief |
| Jocelyn |
Willoughby | Lacey's mother |
| Amy |
| One of the popular girls in Leena's school |
| Beth |
| One of the popular girls in Leena's school |
| Darsh |
| Leena's cousin |
| Jake |
| Rachel's baby's father |
| Maddy |
| Rachel's daughter |
| Ovid |
| Clay's co-prisoner who hated him |
| Seema |
| One of the popular girls in Leena's school |
