David Suchet -

While Poirot brought him international fame, Suchet has a distinguished background as a classical actor:

: To inhabit the role, he wore body padding to match Poirot’s "rotund" description and perfected a unique high-pitched "head voice" based on Belgian-French radio. David Suchet

: He compiled a 93-point dossier of the character's traits, tracking details like how many lumps of sugar Poirot took in his tea (usually four) and his specific pigeon-toed walk. While Poirot brought him international fame, Suchet has

: He performed extensively with the Royal Shakespeare Company and received critical acclaim for roles such as Iago in Othello and Salieri in Amadeus . While Poirot brought him international fame