| | | | Part 1 - England |
| 1 | Linnet | Ridgeway-Doyle | A rich heiress. Simon's wife. |
| | Mr. | Burnaby | The landlord of the Three Clowns. |
| | George | Wode | Owner of Wode Hall. |
| 2 | Joanna | Southwood | Linnet's close friend. Tim's cousin. |
| | Toby | Bryce | Melhuish's companion. |
| | Melhuish | Ridgeway | Linnet's father. |
| | Anna | Hartz-Ridgeway | Linnet's mother. |
| | Leopard | Hartz | Linnet's rich grandfather. |
| | Charles | Windlesham | Lord of Charltonbury. Linnet's
fiancé. |
| | Jacqueline | De Bellefort | Linnet's best friend. Aka: Jackie. |
| | Marie | Van Schuyler |
Engaged to Fleetwood. |
| 5 | Simon | Doyle | Jacqueline's
fiancé. Linnet's husband. |
| 6 | Gaston | Blondin | The proprietor of a restaurant called Chez Ma Tante. |
| | Hercule | Poirot | The famous Belgian detective. |
| | Jules | | Blondin's cook. |
| 8 | Tim | Allerton | Joanna's 2nd cousin. Mrs. Allerton's son. |
| | Mrs. | Allerton | Tim's mother. |
| | Devonshire | Doyle | Simon's ancestor. |
| | Mrs. | Leech | Mrs. Allerton's friend. |
| 9 | Mrs. | Robson | Cornelia's mother. |
| | Cornelia Ruth | Robson | Marie's cousin. |
| | Miss | Bowers | Marie's social companion. |
| | Ned | Robson | Cornelia's father. |
| 10 | Andrew | Pennington | Linnet's trustee. |
| | Stemdale | Rockford | Pennington's partner. |
| 11 | William | Carmichael | Linnet's close friend. |
| | Jim | Fanthorp | Carmichael's nephew. A lawyer. Aka: James Lechdale. |
| 12 | Salome | Otterbourne | A writer. |
| | Rosalie | Otterbourne | Salome's daughter. |
| | | | Part 2 - Egypt |
| 6 | Mr. | Richetti | An Italian Archaeologist. |
| 7 | Carl | Bessner | A German doctor. Cornelia's
fiancé. |
| | Mr. | Ferguson | A former lord. The man who loves Cornelia. |
| 10 | Colonel | Race | The police detective who handled Linnet's case. Poirot's close friend. |
| 12 | Louise | Bourget | Linnet's maid. |
| 13 | Fleetwood | | Marie's ex-fiancé. |
| 25 | Hastings | | Poirot's police friend. |
| 26 | Japp | | A Police Chief Inspector. Tim's friend. |