| 1 | Ruby | Branch | Monkey's lover. |
| 2 | Mike | Burden | The police inspector. |
| | Wexfrod | | The police chief inspector. Protagonist. |
| | Camb | | The police sergeant. |
| | Mark | Drayton | The detective constable. |
| | Rupert | Margolis | Ann's brother. A painter. |
| | Anita | Margolis | Rupert's missing sister. Aka: Ann. |
| | Monkey | Matthews | A thief and a con man. Aka: George. |
| | Knobby | Clark | A jewelry store owner. |
| | Peach | | One of the constables. |
| 3 | Richard | Fairfax | Ann's ex-fiancé. A writer and a poet. |
| | Martin | | One of Wexford's associates. |
| | Bryant | | One of Wexford's associates. |
| | Gates | | One of Wexford's associates. |
| | Geoffrey | Smith | The mysterious man who wrote letters to the police. |
| | Russell | Cawthorne | The owner of Cawthorne's service station in Stowerton. |
| | Mrs. | Cawthorne | Russell's wife. |
| 4 | Adeline | Harper | The paper seller. |
| | Rose | Penistan | Ann and Rupert's former cleaner. |
| 5 | Linda | Grover | A newsagent. Mr. Grover's daughter. |
| | Alan | Kirkpatrick | Ann's lover. |
| 7 | Mrs. | Collins | Ruby's next-door neighbor. |
| 8 | Mrs. | Kirkpatrick | Alan's wife. |
| 10 | Omar | Khayyam | One of Mr. Cawthorne's visitors at the party. |
| 12 | Mr. | Scatcherd | The best
jeweler between London and Brighton. |
| 13 | Benjamin | Marks | A goldsmith. |
| | Noreen | Anstey | Geoff Smith's former wife. |
| 15 | Ray | Anstey | Noreen's husband. Cawthorne's mechanic. |
| 17 | Mr. | Grover | Linda's father. |
| | Mrs. | Grover | Linda's mother. |
