Trog

Dr. Brockton is a renowned anthropologist who leads the search for the lone troglodyte. She proposes bringing the creature to the surface for study and potential domestication. Her approach blends scientific curiosity with a calm, determined demeanor. Her actions place her at odds with townspeople and business interests.

Sam Murdock is a local businessman whose fear of commercial damage drives his opposition to the project. He fears negative publicity and financial loss from the discovery. He orchestrates the release of Trog in hopes of provoking a deadly confrontation. His actions escalate the conflict between science and the town.

Trog is a lone troglodyte discovered in the countryside caves. He is subjected to training and language induction through medical intervention. The creature shows primitive power but also moments of learning and vulnerability. He dies after being wounded during the cave assault.

The Little Girl is a young playground target who is taken by Trog and later found in the cave. Her safety becomes a focal point that propels the rescue effort. Her situation amplifies the moral stakes of the conflict between science and local danger.

On-site journalist who frames the story for the public and presses for a comment as events unfold. His presence underscores media scrutiny and the sensationalism surrounding the missing link. He highlights how public perception can shape the course of the investigation.

The local magistrate who presides over the municipal court and upholds the decision to protect Trog. He embodies the legal framework that governs the intersection of science, ethics, and public safety. His rulings influence the trajectory of the scientific investigation.

Inspector Greenham is the police officer coordinating the law enforcement response to the perceived threat. He represents authority and pragmatism in the face of mounting tension between science and public order. His role anchors the film in a formal response to extraordinary events.