| Pro | Gracie | Ellis |
Beth and Jimmy's daughter. |
| 1 | Elizabeth | Ellis |
Jimmy's wife. Aka: Beth. |
| | Grover | | Beth's dog. |
| | James | Ellis |
Beth's husband. Aka: Jimmy. |
| | Sophie | Ellis |
Beth and Jimmy's daughter. |
| | Jessica | Ellis |
Beth and Jimmy's daughter. |
| | Jill | | Beth's friend. |
| 2 | Olivia | Donatelli |
Anthony's mother. David's wife. |
| | David | Donatelli |
Olivia's husband. |
| | Anthony | Donatelli |
Olivia and David's autistic son. |
| | Louise | | A senior editor. Olivia's former boss. |
| 3 | Angela | Melo |
Jimmy's mistress. |
| | Petra | | One of Beth's friends. |
| 5 | Courtney | |
One of Beth's friends. |
| | Len | | The school principal. |
| | Patty | | The checkout woman at Stop & Shop. |
| | Lisa | | Beth's hairdresser. Jessica's basketball coach. |
| | Mickey | | Jill's husband. |
| | Phil | | Georgia's husband. |
| | Dr. | Campbell |
Georgia and Phil's marriage counselor. |
| 6 | Dr. | Harvey |
Anthony's pediatrician. |
| 7 | Johnny | C. |
Beth's crush from high school. |
| 11 | Mary | Crawford |
The librarian. |
| 13 | Doug | | A real estate agent. |
| 16 | Foley | | A priest. |
| 17 | Henry | | Courtney's lover. |
| 18 | Danyel | |
Anthony's care taker. |
| 21 | Carlin | |
Anthony's therapist. |
| | Rhia | | Anthony's therapist. |
| 23 | Edward | Starbuck |
One of the 1659 original settlers of Nantucket. |
| 26 | Eddy | Antico |
Beth's acquaintance. |
| | Pamela | Vincent |
Beth's acquaintance. |
| | Rose | Driscoll |
Head of the garden club. |
| 29 | Mrs. | Gillis |
Gracie's teacher. |
| 32 | Julie | | A math teacher. |
| 36 | Artie | | David's teacher. |
