| Colonel |
Blunt | Local squire; suspect in the game. |
| Joan |
Blunt | Peter Gaye's wife; suspect in the game. |
| Amanda |
Brewis | Secretary-housekeeper. |
| Dr. |
Cook | Medical examiner. |
| Frank |
Cottrell | Police sergeant. |
| Etienne |
De Sousa | Hattie's cousin. |
| Francis |
Drake | English explorer mentioned in context. |
| Mr. |
Fletcher | Former owner of Hoodown Park. |
| Amy |
Folliat | Lives in the lodge; former owner of Nasse House. |
| Gervase |
Folliat | Original owner of Nasse House. |
| Henry |
Folliat | Amy's son; deceased. |
| James |
Folliat | Amy's troubled son; deceased. |
| Peter |
Gaye | Atomic scientist; suspect in the game. |
| Estelle |
Glynne | Suspect in the murder game. |
| Lucy |
Knapper | Daughter of Mr. and Mrs. Knapper. |
| Mr. |
Knapper | Amy's old friend; guest. |
| Mrs. |
Knapper | Mr. Knapper's wife. |
| Alec |
Legge | Lives at the cottage by the river. |
| Sally |
Legge | Alec Legge's wife. |
| Miss |
Lemon | Poirot's secretary. |
| Esteban |
Loyola | Uninvited guest; suspect in the game. |
| Mrs. |
Masterton | Wife of the local MP. |
| William |
Masterton | Warburton's boss; Member of Parliament. |
| Major |
Merall | Chief Constable of the county. |
| Ariadne |
Oliver | Crime novelist who arranged the "murder hunt." |
| Hercule |
Poirot | Protagonist; famous detective. |
| George |
Sanger | Circus owner. |
| Maya |
Stavisky | Girl hiker; suspect in the game. |
| George |
Stubbs | Owner of Nasse House. |
| Hattie |
Stubbs | George Stubbs's wife. |
| Betsy |
Trotwood | Fictional character from a Charles Dickens novel. |
| Alfred |
Tucker | Farm laborer; Marlene's father. |
| Gary |
Tucker | Marlene Tucker's brother. |
| Marilyn |
Tucker | Marlene Tucker's sister. |
| Marlene |
Tucker | Girl Guide; victim. |
| Mrs. |
Tucker | Marlene Tucker's mother. |
| Jim |
Warburton | The Mastertons' agent. Aka: Captain. |
| Michael |
Weyman | Architect. |
| Miss |
Willing | Housekeeper; suspect in the game. |
| Madam |
Zuleika | Fortune teller. |
| Bland |
| Detective Inspector. |
| Edward |
| Pamela's husband. |
| Elsa |
| Violet's German friend. |
| Henden |
| Butler. |
| Hoskins |
| Police constable. |
| Merdell |
| Local informant to Poirot; Marlene's grandfather. |
| Merdle |
| Head gardener. |
| Pamela |
| Amy's old friend; guest. |
| Quiett |
| Butler; suspect in the game. |
| Roger |
| Edward's son. |
| Violet |
| Little girl who accompanied Poirot. |
