Gene Wilder's portrayal of Willy Wonka in the 1971 film adaptation has proven remarkably durable, with no subsequent actor managing to equal his interpretation despite the character being reimagined multiple times. The performance's enduring appeal stems from Wilder's mastery of duality—he presents Wonka as a figure of genuine warmth and charm whilst simultaneously conveying an undercurrent of controlled menace. His ability to maintain a composed demeanor as mischievous children face increasingly dark consequences at the factory creates a character audiences trust even as they sense his potential danger.

Johnny Depp's 2005 interpretation leaned too heavily into eccentricity and psychological damage, resulting in a character too unstable and detached to believably guide children through the factory. Timothée Chalamet's recent prequel attempted to capture Wilder's mannerisms but overcorrected by making Wonka excessively charismatic without the necessary edge to balance his benevolence. The critical consensus suggests that Wilder's unique ability to blend paternal warmth with amoral detachment—a quality difficult to replicate—remains the definitive cinematic interpretation of the character.