20 Supporting Characters Who Made the Movie Great

Plummer delivers Mike Wallace not as a caricature of journalism but as its armor-plated embodiment. Sharp, proud, and fiercely principled, he gives The Insider its moral backbone. Every raised eyebrow and perfectly delivered line reminds you of the gravity behind real reporting

In a film about corporate power and ethical compromise, Plummer’s Wallace stands as the one character who refuses to bend — and Plummer makes that refusal electric.