| | | | Part 1 |
| 1 | Juniper | Whitman | Protagonist. |
| 2 | Xavier | Alston-Holt | Juniper's friend. |
| | Valerie | Alston-Holt | Xavier's father. |
| | Lottie | Corbett | Juniper's grandma. Julia's mother. |
| | Brad | Whitman | Owner of Whitman HVAC. Juniper's step-father. |
| | Julia | Whitman | Brad's wife. Juniper's mother. |
| | Tom | Holt-Alston | Valerie's husband. |
| | Jimmy | Jamison | Brad's friend. |
| 3 | Chris | Johnson | Valerie's lover. |
| | Ellen | | Valerie's neighbor. |
| | Kyle | | Zay's uncle. |
| | Dawshan | | Zay's best friend. |
| | Joseph | | Zay's best friend. |
| | Lily | Whitman | Juniper's sister. |
| | Robert | Frost | A poet. |
| 5 | Kelli | Hanes | Julia's neighbor who invited her to join a book club. A nurse. |
| | Matthews | | The reverend. |
| 6 | Kathi | | Juniper's classmate. Meghan's sidekick. |
| | Meghan | | Juniper's sassy classmate. |
| | Pepper | | Juniper's friend. |
| 7 | Belinda | Johnson | An Oak Knoll book club member. |
| | Lisa | Orlean | One of the members of the Oak Knoll Book Club. |
| | Esther | | An Oak Knoll Book Club member. |
| | Hank | | Esther's husband. |
| | Uncle | Ray | A creep. |
| 9 | Mark | Lewis | Brad's accountant. |
| | Carrie | Lewis | Mark's girlfriend. |
| | Ed | Levinson | The boat broker. |
| 10 | Jimmy | Jamison | Brad's friend who built a house one street from the Whitmans in Oak Knoll. |
| | Shiela | Jamison | Jimmy's wife. |
| 11 | Rosa | Morton | Zay's neighbor. The octogenarian. |
| | Lyle | Morton | Zay's neighbor. |
| 12 | Ellen | Davis | President of Oak Knoll HOA. |
| | Wilson | | A prominent lawyer. |
| 13 | Mabel | | Lottie's best friend. |
| 14 | Cindy | | A Whitman HVAC employee. |
| 15 | Patty | | Julia's boss. |
| | Karen | | Juniper's babysitter. |
| | Doofus | | Karen's old hound. |
| 16 | Mr. Hopkins | | Zay's English teacher. |
| | Andrea | | Zay's classmate. |
| | Rachel | | Zay's fling. |
| | Marco | | Zay's classmate. |
| | | | Part 2 |
| 20 | Talia | | Chris's daughter. |
| 22 | Michelle | | Valerie's colleague. |
| 23 | Brooks | | Tom's great uncle. |
| 26 | Jeff | | Brad's brother. |
| 27 | Tony | Evans | The county district attorney. |
| 28 | Jeff | | Juniper's neighbor. |
| | Brenda | | The receptionist who'd been hired after Julia. |
| 29 | Jack | Martindale | A former Oak resident who took a job with NASA. |
| 31 | Pritzy | | Ellen's Labradoodle. |
| 32 | Marina | | The makeup artist. |
| | Evan | | The commercial producer. |
| | Rick | Whitman | Brad's father. |
| | Katie | Whitman | Brad's mother. Juniper's grandmother. |
| 33 | Michael | | Pepper's boyfriend. |
| | Mama | Ginny | Valerie's mother. Zay's grandmother. |
| 34 | Gail | | Brad's part-time employee. |
| | | | Part 3 |
| 36 | Ms. | Sheridan | The nurse. |
| 40 | Carl | Harrington | Zay's lawyer. |
