| 角色 | 饰演者 | 角色介绍 |
| 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 |
