| Jerry | Binder | The commander of major crimes unit. |
| Elizabeth | Carpenter | Michaela's mother. |
| Giles | Carpenter | Michaela's father. |
| Michaela Joan | Carpenter | The bride. |
| Jamie | Dawes | Julia's best friend. |
| Robert Forman | Ditzy | Julia's banker. |
| Christopher John | Durand | The club bouncer. Julia's childhood crush. Aka: Chris. |
| Tom | Flynn | The detective-in-charge. |
| Marie | Halsey | Sarah's mother. |
| Sarah | Halsey | A teacher. One of Livvie's closest friends. |
| Tyler | Halsey | Sarah's son. |
| Officer | Howland | Busman's police officer. |
| Clarice | Kemp | The front desk clerk. Julia's childhood friend. |
| Etienne | Martineau | The bake master. Gabrielle's husband. |
| Gabrielle | Martineau | The island's caretaker. |
| Anthony Robert | Poitras | The groom. Aka: Tony. |
| Edward | Poitras | Tony's father. |
| Flora | Poitras | Tony's mother. |
| Livvie | Ramsey | Julia's sister. Sonny's wife. |
| Page | Ramsey | Sonny and Livvie's daughter. |
| Sonny | Ramsey | Julia's brother-in-law. |
| Jacqueline | Snowden | Julia's mother. |
| Julia | Snowden | Protagonist. |
| Fiona | Snuggs | Julia's long-time neighbor. Aka: Fee. |
| Viola | Snuggs | Fee's sister. Aka: Vee. |
| Quentin | Tupper III | The stranger that Julia met. |
| Ray | Wilson | Tony's best man. Deceased. |
| George | | The Jacque II's captain. |
| Gus | | A restaurant owner. |
| Jean-Jacques | | Etienne and Gabrielle's son. |
| Le Roi | | The island cat. |
| Lynn | | Michael's maid of honor. |
| Wally | | The night desk clerk. |