For Fans of Jake Gyllenhaal

Lou Bloom is not a cautionary tale. He is a straight-faced satire of entrepreneurial hustle delivered without a wink, and Gyllenhaal plays him as a man who has simply never been taught that other people are real. The performance works because it never breaks character for the audience's comfort. Bloom's cadences, his motivational-seminar logic, his flat affect that spikes into violence and retreats just as fast: it is one of the most precisely calibrated pieces of American acting of the decade. Dan Gilroy's script is a gift, but the film is only as frightening as Gyllenhaal makes it.

It is not the thriller it promises to be, and that is the point. Fincher builds a film about the corrosive cost of obsession, where the monster is never caught and the men who chased him are hollowed out by the effort. Gyllenhaal's Robert Graysmith is the emotional anchor: the cartoonist who cannot stop, who loses his marriage and his judgment and keeps going anyway. The film asks whether the truth is worth what you sacrifice to find it, and it does not answer. It just shows you the pile of notebooks at the end.

Denis Villeneuve's adaptation of Jose Saramago's novel is the strangest film Gyllenhaal has made, and probably the one that earns him the most credit for risk-taking. Playing two men who are physically identical but temperamentally opposite, he refuses to signal which is the dream and which is the waking life. The spiders are not metaphors you can safely decode. You are meant to leave unsettled, and the film succeeds entirely on that measure.

Ang Lee's film is often described by what it broke open culturally, which undersells what it is as a piece of storytelling. Gyllenhaal and Heath Ledger are not performing a statement. They are playing two men caught between what they feel and what they believe they are allowed to be, across decades, and the grief of that gap is what the film is really about. It is not a political film in the way it is remembered. It is a film about suppression and the price paid for it, and it earns every frame of its sadness.