| Mr. | Anthony | The man that Alice met at the bar. |
| Lindsay | Brindley | One of the mothers in Sophia's class. |
| Nathan | Davies | Olivia and Sophie's father. Alice's husband. |
| Olivia | Davies | Nathan and Alice's daughter. Aka: Livvy. |
| Sophia | Davies | Alice and Tom's daughter. |
| Mark | Edwards | The man at the car company. |
| Maxine | Elliot | Alice's former classmate. |
| Daniel | Evans | Tom's brother. |
| Frank | Evans | Tom's father. |
| Joyce | Evans | Tom's mother. |
| Thomas | Evans | Sophia's father. Alice's first husband. |
| Gina | Fellowes | Alice's acquaintance. |
| Ben | Forrester | Joyce's real son. |
| Seamus | Harrison | Tom's biggest client. |
| Father | Michael | The priest. |
| David | Phillips | Alice's ex-lover. |
| Mrs. | Pullman | Beth's teacher. |
| Diego | Rodriguez | Tom's client. |
| Jack | Stokes | Alice's acquaintance. |
| Michelle | Truman | The wife of Alice's 2nd cousin's son. |
| Ms. | Watts | Olivia's teacher. |
| Mr. | Yahamoto | Nathan's Japanese client. |
| Antonio | | The head chef. |
| Bertie | | Beth's student. |
| Carole | | The school secretary. |
| Eileen | | The visiting staff. |
| Elise | | The receptionist. |
| Hannah | | Sophia's friend. |
| Jacob | | Beth's student. |
| Jimmy | | Maria's husband. |
| Joel | | Beth's live-in partner. |
| Josh | | Nathan's old friend. |
| Jules | | Leo's wife. |
| Kendall | | Olivia's classmate. |
| Leo | | Jules's husband. Tom's friend. |
| Linda | | Alice's mother. |
| Liz | | Alice's solicitor. |
| Lottie | | A junior designer. Alice's employee. |
| Maria | | Beth's friend. |
| Matt | | Alice's workmate. |
| Maude | | Joyce's neighbor. |
| Megan | | Sophia's friend. |
| Millie | | Beth's daughter. |
| Monica | | Beth and Alice's spiritual guru. |
| Paul | | Sylvia's cheating husband. |
| Phoebe | | Olivia's classmate. |
| Rachel | | The woman on the letter. |
| Sheila | | Tom's aunt. |
| Sylvia | | The woman at Cheated Wife's internet page. |
| Tracy | | Alice's ring leader. |
| Tyson | | Beth's dog. |
