Agatha Christie's Poirot Regular cast Regular cast

| Actor | Character_ | Title_Rank | Series | Years |
|---|---|---|---|---|
| David Suchet | Hercule Poirot | Various | 1-13 | 1989–2013 |
| Hugh Fraser | Arthur Hastings | Captain OBE | 1-8, 13 | 1989–2002, 2013 |
| Philip Jackson | James Japp | Chief Inspector/Assistant Commissioner | 1-8, 13 | 1989–2001, 2013 |
| Pauline Moran | Felicity Lemon | Secretary | 1-3, 5-8, 13 | 1989–1991, 1993-2001, 2013 |
| Zoë Wanamaker | Ariadne Oliver | Writer | 10-13 | 2006–2013 |