Things

Don is a practical, wary man who finds himself at the center of the crisis. He improvises under pressure, wielding tools like a hammer and drill to fend off the infestation. He takes a leadership role, trying to protect others even as the situation spirals. The ending leaves his reality uncertain, underscoring his resolve in a nightmare he may not fully escape.

Susan is the subject of the illicit pregnancy experiments and becomes the vessel for the insect-like offspring. Her transformation triggers the first wave of horror and the breakdown of the house's safety. Her death marks a turning point in the siege, as the family and friends grapple with the consequences of the experiments.

Doug is Don's brother who participates alongside Susan in the dangerous experiments. He confronts the escalating horror in the basement and is ultimately overwhelmed by the creatures. Don's decision to hide Doug's body reflects the brutal, desperate measures taken to survive the encounter.

Dr. Lucas is the physician behind the illicit experiments, driving the plot with his ambition and clinical detachment. He becomes a focal point of accusation when Don confronts him about responsibility for the deaths. He appears alive at the end, bloodied, leaving the truth of the events ambiguous.

Fred is Don's friend who accompanies him into Doug's house and joins the fight against the creatures. He is ultimately killed by the infestation, his demise underscoring the peril that the house holds for all who enter.

The Reporter captures the eerie events surrounding Doug's house, serving as an external observer to the unfolding horror. Her presence frames the story for an audience outside the immediate chaos, hinting at a larger, unsettling atmosphere surrounding the experiments.