| 角色 | 饰演者介绍 |
| Hercule Poirot | 大卫·苏切特 |
| Captain Arthur Hastings | 休·弗拉瑟 |
| Chief Inspector James Japp | Philip Jackson |
| Violet Wilson | Beth Goddard |
| Miss Felicity Lemon | Pauline Moran |
| Sarah Siddaway | Rowena Cooper |
| Dr. Pritchard | Richard Durden |
| Andrew Marsh | Mark Kingston |
| Phyllida Campion | Susan Tracy |
| Margaret Baker | Gillian Hanna |
| John Siddaway | Terrence Hardiman |
| Walter Baker | Jon Laurimore |
| Robert Siddaway | Edward Atterton |
| Peter Baker | Neil Stuke |
| Doctor | Stephen Oxley |
| President | Scott Cleverdon |
| Robert as a child | Simon Owen |
| Peter as a child | Glen Mead |
