| 1 | Diana Jane | Cowper | The mother of an actor. Victim. |
| | Anthony | Horowitz | Narrator and Protagonist. Aka: Tony. |
| | Irene | Laws | Robert's personal assistant and cousin. |
| | Robert | Cornwallis | The funeral director. |
| | Andrea | Kluvanek | The Slovakian cleaner at Diana's place. |
| 2 | Steven | Spielberg | Tony's producer. |
| | Peter | Jackson | The director. |
| | Daniel | Hawthorne | Tony's friend. An ex-detective. |
| | William | Travers | A barrister. Aka: Purefoy. |
| | Charlie | Creed-Miles | The actor who played Tony's detective series. |
| 3 | Raymond | Clunes | A theatrical producer. |
| | Damian | Cowper | The actor. Diana's son. |
| 4 | Lawrence | Coper | Diana's husband. |
| | Charlie | Meadows | The detective inspector on Diana's murder case. |
| | Jeremy | Godwin | Timothy's twin. |
| | Timothy | Godwin | Jeremy's twin. The boy that Diana accidentally killed. |
| | Mary | O'Brien | The Godwins's nanny. |
| | Nigel | Weston | A court judge. |
| | Judith | Godwin | The Godwins's mother. |
| 6 | Mr. | Tibbs | Diana's cat. |
| | Alan | Godwin | The Godwins's father. |
| 8 | Nigel | Kneale | Tony's favorite screenwriter. |
| 9 | Grace | Lovell | Damian's girlfriend. |
| | | | RADA - Royal Academy of Dramatic Arts. |
| | Jason | | Damian's manager. |
| 10 | Ian | McKellen | An OSCAR-nominated actor. |
| 11 | Bruno | Wang | A major theatrical producer. |
| 12 | Alfred | Laws | The funeral director. |
| | Dr. | Butterworth | Diana's doctor. Aka: Buttimore. |
| | Charles | Kenwortht | Damian's lawyer. |
| 13 | Ashleigh | | Grace and Damian's daughter. |
| 14 | Barbara | Cornwallis | Robert's wife. |
| | Toby | Cornwallis | Barbara and Robert's son. |
| | Sebastian | Cornwallis | Barbara and Robert's son. |
| | Andrew | Cornwallis | Barbara and Robert's son. |
| | David | Cornwallis | Robert's uncle. |
| 15 | Hilda | Starke | Tony's literary agent. |
| 16 | Derek | Abbott | A retired teacher. |
| | Brian | | Tony's informant. |
| 18 | Gail | Harcourt | Owner of the ice cream shop. |
| | Graham | Traverston | Gail's next door neighbor. A pharmacy store owner. |
| | Miss | Presley | Mr. Traverston's employee. |
| | Mrs. | Rendell | The Royal Hotel manager. |
| | Charles | Hawtrey | An actor. |
| 19 | Mr. | Grossman | The lawyer. |
| 20 | Martin | Lovell | Grace's father. |
| | Rosemary | Lovell | Martin's wife. Grace's mother. |
| | Vivien | Leigh | The actress that Damian fancied. Aka: Amanda. |
| | Dan | Roberts | Damian's co-actor. |
| | Lindsay | Posner | Damian's director. |
| | Fiona | Brown | Damian's agent. |
| 21 | Liz | | An associate director. |