“The Beast Must Die,” directed by Paul Annett and released in 1974, is a unique gem in the horror genre that brilliantly marries the classic “whodunit” mystery with the supernatural intrigue of a werewolf thriller. This film stands out not only for its innovative approach to storytelling but also for its exceptional cast, who deliver performances that elevate the material to memorable heights. Over the years, “The Beast Must Die” has garnered a well-deserved cult following, and a retrospective look reveals why it remains a beloved classic.

At its core, “The Beast Must Die” is a murder mystery with a twist: one of the suspects is a werewolf. The film follows Tom Newcliffe (Calvin Lockhart), a wealthy big-game hunter who invites a group of guests to his secluded estate, convinced that one of them is a lycanthrope. The film cleverly incorporates elements of the classic “whodunit” genre, keeping the audience guessing and engaged as Newcliffe conducts his investigation. The added layer of supernatural suspense amplifies the tension, creating a gripping narrative that keeps viewers on the edge of their seats.

One of the film’s most innovative features is the “Werewolf Break,” a 30-second pause near the climax where viewers are invited to guess the identity of the werewolf. This interactive element is both charming and effective, adding a unique participatory aspect to the viewing experience. It underscores the film’s playful yet suspenseful tone and has become one of its most iconic features.

The success of “The Beast Must Die” is largely due to its remarkable ensemble cast. Calvin Lockhart shines as Tom Newcliffe, bringing charisma and intensity to the role of the determined hunter. His commanding presence drives the narrative forward, making his character’s obsession with uncovering the werewolf both believable and compelling.

Peter Cushing, a veteran of the horror genre, delivers a typically strong performance as Dr. Lundgren, a knowledgeable and mysterious figure who adds depth to the story. Cushing’s nuanced portrayal adds gravitas to the film, grounding its supernatural elements in a sense of scholarly authority.

The supporting cast, including Charles Gray, Anton Diffring, and Marlene Clark, also contribute significantly to the film’s appeal. Each actor brings a distinct personality to their character, creating a tapestry of suspects that enriches the mystery. Their interactions are filled with tension and suspicion, enhancing the film’s “whodunit” allure.

“The Beast Must Die” excels in creating a tense and atmospheric setting. The secluded estate, surrounded by dense forest, provides a perfect backdrop for the unfolding mystery. Annett’s direction, combined with effective use of lighting and music, heightens the sense of isolation and danger. The film’s pacing is expertly handled, maintaining a steady build-up of suspense that culminates in a thrilling climax.

The Prognosis:

“The Beast Must Die” is a standout film that masterfully blends the intrigue of a classic murder mystery with the supernatural thrills of a werewolf tale. Its innovative “Werewolf Break,” engaging narrative, and outstanding cast make it a unique and memorable entry in the horror genre. Over the years, it has earned its place as a cult favorite, and a retrospective viewing only deepens appreciation for its creativity and execution. Paul Annett’s direction and the exceptional performances of Calvin Lockhart, Peter Cushing, and the rest of the cast ensure that “The Beast Must Die” continues to captivate and entertain audiences, proving that the hunt for the beast is as thrilling now as it was upon its release.

• Saul Muerte