| Curtis |
Barker | Dani's therapist; Ethan's best friend. |
| Gemma |
Barker | Curtis's wife. |
| Roy |
Barker | Curtis's father. Aka: Big Roy. |
| Delray |
Becker | Boy who stole the coach's stopwatch. |
| Betty |
Broderick | Real life murderer. |
| Kylie |
Donovan | Mikayla's sister. |
| Alice |
Donovan | Mikayla's mother. |
| George |
Donovan | Mikayla's father. |
| Caroline |
Doyle | Orlaith's former neighbor. |
| Daphne |
du Maurier | English author. |
| Raymond |
Fischer | Landowner. |
| Mason |
Fuller | Sophie's first boyfriend. |
| Mrs. |
Garcia | English teacher. |
| Caleb |
James | The boy who accompanied Mikayla to the party. |
| Dale |
Landry | Ethan's former colleague. |
| Eileen |
Landry | Dale's wife. |
| Anita |
Lewis | Kim's sponsor. |
| Gabriela |
Martinez | Sophie and Mikayla's friend. Aka: Gabby. |
| Isabel |
Martinez | Gabby's mother; cheer team's booster club president. |
| Dani |
Matthews | Protagonist of the story. |
| Charlotte |
Matthews | Dani's daughter. |
| Ethan |
Matthews | Dani's husband. |
| Kimberly |
Matthews | Ethan's ex-wife; alcoholic. Aka: Kim. |
| Mr. |
Miller | The coach. |
| Mad-Eye |
Moody | Kim's dog. |
| Ada |
Muller-Vogel | Wilhelm's wife. |
| William |
Munny | Mikayla's dog. |
| Mary |
O'Connor | Orlaith's friend who has a brain tumor. |
| Gwyneth |
Porter | Ethan's assistant. |
| Timothy |
Price | Baseball team owner; police officer. |
| Sheryl |
Quinn | Kim's former spin-class partner. |
| Wilhelm |
Vogel | Owner of a Queen Anne-style Victorian house. |
| Vera |
Weber | President of the homeowners' association. |
| Mrs. |
Whitaker | Sophie and Mikayla's former teacher. |
| Aubrey |
| Becca's daughter. |
| Ava |
| One of Sophie's friends. |
| Becca |
| Dani's sister; school board member. |
| Braydon |
| Mason's friend. |
| Carol Ann |
| Friend of Dani's grandmother. |
| Chloe |
| Caterer. |
| Colm |
| Orlaith's husband. |
| Darleen |
| Kim's aunt. |
| Emma |
| One of Sophie's friends. |
| Ernesto |
| Marybeth's husband. |
| Ginger |
| One of Kim's dogs. |
| Greg |
| Jaci's husband. |
| Jaci |
| Woman from the neighborhood. |
| Jason |
| Becca's husband. |
| Jo Ellen |
| One of Dani's friends. |
| Joey |
| Ethan and Kim's sheepdog. |
| Katie |
| Orlaith's daughter, deceased. |
| Kevin |
| Orlaith's brother-in-law. |
| Kristin |
| Woman from the neighborhood. |
| Liza |
| Woman from the neighborhood. |
| Maeve |
| Orlaith's best friend. |
| Maeve |
| Kevin's first wife. |
| Marissa |
| Dani's friend. |
| Marjorie |
| One of Dani's friends. |
| Marybeth |
| Dani's fan. |
| Michael |
| Kim's brother. |
| Mikayla |
| Sophie's oldest friend. |
| Moira |
| Orlaith's sister. |
| Molly |
| Dani's dog. |
| Orlaith |
| Charlotte's nanny. |
| Pam |
| Dani's mother. |
| Party Planner |
| Host of the party. |
| Sophie |
| Kim's daughter, celebrating her birthday party. |
| Ted |
| Man Kim is talking to; ex-military. |
| Tonya |
| Jaci's friend. |
| Tyler |
| Emma's boyfriend. |