| Bill |
Bryson | Author |
| Sloane |
Caraway | Protagonist and narrator. Aka: Sloanie |
| Javier |
Delgado | Jay's lawyer |
| Detective |
Edgerton | Lead detective |
| Cassie |
Hoffman | Laura's daughter |
| Laura |
Hoffman | Sloane's regular. Aka: Dolly Parton |
| Denise |
Lockhart | Jay's sister |
| Harper |
Lockhart | Jay's daughter |
| Jay |
Lockhart | Harper's father; man Sloane likes |
| Violet |
Lockhart | Jay's wife; Harper's mother |
| C. |
Martinez | Police officer |
| Allison |
McIntyre | The woman who confronted Sloane |
| Benji |
McIntyre | Allison's son |
| Ellie |
McIntyre | Allison's daughter |
| Miss |
Newberry | Sloane's teacher |
| Robert |
Pattinson | Actor Sloane obsessed over in high school |
| Hercule |
Poirot | Fictional detective |
| Eleanor |
Roosevelt | Former First Lady of the United States |
| Danny |
Shepherd | Violet's ex-boyfriend |
| Taylor |
Swift | Singer-songwriter |
| Liv |
Tyler | Actress mentioned (Jersey Girl) |
| Anne-Marie |
| Woman Violet met on vacation |
| Caitlin |
| Sloane's alias used with Jay. Aka: Carly |
| Chloe |
| Spa receptionist |
| Claire |
| Anne-Marie's daughter |
| Cleo |
| Sloane's student with diabetes |
| Fitz |
| Anne-Marie's husband |
| Gabby |
| Sloane's upstairs neighbor |
| Gina |
| Travel agent |
| Joe |
| Sloane's father |
| Kathleen |
| Divorce lawyer |
| Kristen |
| Lead esthetician |
| Lena |
| Sloane's boss |
| Natasha |
| Sloane's co-worker |
| Nina |
| Violet's new nanny |
| Nolan |
| Violet's hairdresser |
| Pickles |
| Sloane's imaginary dog |
| Rebecca |
| Violet's grandmother |
| Riley |
| Sloane's student with epilepsy |
| Rooney |
| Anne-Marie's son |
| Tiana |
| Harper's friend |
