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