Max Cady doesn’t make threats without meaning them. Fresh from prison and in Florida, Max Cady is searching for Sam Bowden, the lawyer he blames for his time behind bars. When Bowden realizes Cady wants revenge and his family is at risk, he seeks help from the police, but finding none, he takes matters into his own hands, leading everyone toward Cape Fear. Cape Fear is a superb example of how to make a quality thriller that borders on horror, showcasing unnerving storytelling and suspense in every scene. Adapted from John D. MacDonald's novel "The Executioners," the film benefits from excellent casting choices and precise direction, making it a standout within its genre. Robert Mitchum portrays Cady as an imposing man with a sinister face; he’s frightening simply because of his unwavering goals, and Mitchum clearly enjoys embodying this character. Gregory Peck plays Bowden, portraying him believably as the rigid lawyer who must discover inner strength. With supporting roles from Martin Balsam, Telly Savalas, and Polly Bergen, Cape Fear also features one of Bernard Herrmann's best scores—a truly unsettling piece with jarring strings and somber brass that lingers long after the credits roll. What sets this film apart from many other thrillers is how well the dialogue complements the characters’ performances; observe Cady’s calm explanations of how he studied law in prison, or his display of disturbing sexual aggression when confronting Bowden's family. He embodies pure evil, so much so that even a simple act like breaking an egg feels like a sign of impending suffering. J. Lee Thompson had a career marked by consistency but not always brilliance, yet he directs this film with remarkable skill, maintaining control even in the tense final moments set in the Cape Fear bayou (as discussed in interviews included on some releases). Along with cinematographer Sam Leavitt, Thompson skillfully uses light and shadow to consistently create an atmosphere of dread that feels as threatening as Bobby Mitchum’s character. By the film's conclusion, it is expected that you will be as tense as this viewer always is when watching this expertly crafted thriller. 9/10

Source on TMDB