Faye Dunaway delivers what could very well be my favorite performance of hers as "Evelyn," a woman who believes her husband, "Hollis" (Darrell Zwerling), is being unfaithful. She hires the detached private investigator "Gittes" (Jack Nicholson), and before long, fatalities occur, drawing him into a complex situation involving infidelity, dishonest practices, and deceit that becomes quite dangerous for a detective dealing with a client he believes isn’t entirely forthcoming and another whose true identity remains elusive. Nicholson is also excellent; his acting feels genuine and captivating, and the rapport between him and Dunaway enhances this unusual storyline. Roman Polanski has gathered a talented group of actors—particularly John Huston, who appears briefly but makes an impact as her affluent and unreliable father "Noah"—and the cinematography significantly contributes to building a feeling of mounting suspense as the story progresses through this intricate exploration of characters. The film’s visuals are impressive; the 1930s clothing and automobiles, combined with the prevailing social tensions of that era, are portrayed effectively. Running just over two hours, it begins strongly and maintains its momentum until the conclusion, which, while not entirely unforeseen, still manages to offer enough unexpected twists to remain absorbing.

Source on TMDB