The $6M gap between these two French-speaking Oscar winners comes down to a single word: volume. Dujardin peaked at $3-5M per film during his post-Artist momentum—that's 4-6 major studio projects hitting $15-30M in gross earnings during his hot streak. Cotillard, meanwhile, maintained selectivity as a business model. By rejecting superhero franchises (which would've paid $8-15M per film for three-picture deals), she capped her salary ceiling at premium indie/prestige drama rates—typically $2-4M per project. The math is brutal: Dujardin's willingness to be a 'Hollywood commodity' generated roughly 5-7 bankable projects; Cotillard's curation meant maybe 3-4 peak-rate films.

Beyond salary, the wealth structures differ. Dujardin benefited from timing—his Artist windfall landed during peak 2010s Hollywood spending when studios were pouring into international stars. Cotillard's rejection of franchise IP meant no backend participation or franchise bonuses that turn $5M salaries into $12M+ total packages. A Christopher Nolan film (Interstellar, 2014) likely paid her WGA minimum plus modest back-end, whereas Dujardin's post-Oscar projects probably included escalators and profit participation that inflated his total take.

The deeper insight: artistic credibility and financial credibility operate on inverse curves in Hollywood. Cotillard's $12M reflects 'Oscar winner who stays interesting'—sustainable but capped. Dujardin's $18M reflects 'Oscar winner who plays the studio game'—higher peaks, but requires saying yes to projects that might dilute the prestige that originally made him bankable. He chose growth over legacy; she chose legacy over growth. His net worth reflects the choice that won.