| 1 | Lisa |
Power | Author of the book Thief River Falls |
| | Aria |
Dhawan | Member of call-in book club |
| | Roman |
Dhawan | Aria's husband |
| 2 | Laurel |
March | Lisa's best friend |
| 3 | Pardue |
| Name of a lost boy |
| 4 | Madeline |
Power | Lisa's Mom, killed in a highway accident |
| | Danny |
| Lisa's fiance |
| | Noah |
Power | Lisa's twin brother |
| 5 | Denis |
Farrell | District Attorney in Thief River Falls |
| | Gillian |
Farrell | Denis Farrell's wife |
| | Garrett |
| Deputy Sheriff |
| | Harlan |
| Missing boy |
| 8 | Mrs. |
Lancaster | Lives on a farm |
| | Eldred |
Lancaster | Lives on the farm, drives a work van |
| 9 | Will |
Woolrich | FBI in Minneapolis |
| 11 |
Liam | |
Muscled red-haired man |
| 13 |
Stoll | |
Deputy Sheriff |
| 15 |
Curtis | March |
Laurel's husband |
| | Ziggy |
| Laurel's horse |
| | Carl |
| Laurel's horse |
| 17 |
Janie | Swetland |
Noah's fiance |
| | Matthew |
Baines | Asst. County Attorney |
| 18 |
Shyla | Dunn |
Abused a girl Lisa helped with at the hospital |
| 21 |
Missy | |
Waitress at the cafe |
| 22 |
Jerry | Power |
Lisa's father |
| 24 |
Judith | Reichl |
Sr. Librarian |
| | Willow |
Taylor | Writer, poet |
| 25 |
Anton | Power |
Lisa's brother |
| | Charles |
Power | Lisa's brother |
| | Samuel |
Power | Lisa's brother |
| 26 |
Tom | Manno |
Father Manno (Priest) |
| | Fiona |
Farrell | Denis Farrell's daughter |
| | Wilson |
Hoke | Hospital Administrator |
| | Daniel |
Farrell | Danny's name |
| 28 |
Tom | Doggett |
Newspaper Editor |
| | Nick |
Loudon | Fiona's husband |
| 30 |
Keri | McDonnell |
Lisa's neighbor |
| | Emma |
McDonnell | Keri's daughter |
| 37 |
Stan | Erenstad |
Groundskeeper at cemetary |
| | Katy |
| Girl in Cemetery |
