Ted is a large, socially isolated man living in a heavily boarded-up house on Needless Street. He struggles with memory gaps and numbs his anxiety with alcohol, maintaining a strict daily routine to feel secure. Due to his proximity to a notorious missing child case, he operates under constant paranoia and local suspicion.

Olivia is a beautiful black cat whom Ted rescued from the side of the road as a kitten. She perceives the world through a deeply religious lens, frequently turning to the Bible for guidance when she hears strange noises in the home. She limits her worldview to the interior of the house and the view from a small peephole in the boarded windows.

Dee is a young woman consumed by grief over the disappearance of her six-year-old sister eleven years ago. Her relentless search for answers alienates her from law enforcement and completely isolates her socially. Convinced that Ted took her sister, she relocates to Needless Street to surveil him personally.

Lauren is Ted's preteen daughter who spends intermittent periods living in the boarded-up house. She deeply resents her strict confinement and acts out through emotional outbursts and physical defiance. Her presence in the home fluctuates wildly based on Ted's schedule and moods.

Mrs. Bannerman is Ted's deceased mother, a former hospital nurse originally from France. Her incredibly strict, emotionally cold parenting style left a lasting impact on her son. She insisted on total control over her household and heavily criticized any display of weakness.

The Bug Man is a psychiatrist whom Ted visits regularly to obtain his prescription medication. He attempts to encourage his patient to open up about childhood trauma and family dynamics, though Ted actively tries to outsmart him during their sessions by making up hypothetical television plots.

Rob is a local park ranger who frequently walks his dog around the edge of Needless Street to access the nearby woodland trails. As a relatively friendly face in a tense neighborhood, he serves as a peripheral presence in Ted's highly paranoid daily routine.

Lulu is Dee's younger sister, who vanished eleven years ago at the age of six while their family was on vacation. Her unresolved disappearance fractured her family and remains the driving obsession behind her older sister's life.

Detective Karen is the law enforcement officer assigned to the long-cold missing child case. Over the years, she has grown increasingly reticent to work with the victim's family, viewing amateur vigilante tactics as a dangerous hindrance to official work.

Linda is a long-time resident of Needless Street who frequently tries to make polite conversation with the deeply evasive Ted. She previously worked alongside his mother at the local hospital and remains one of his few connections to the past.

Mr. Bannerman is Ted's father, a man who was largely marginalized within his own household by his dominant wife. He suffered from alcoholism and eventually abandoned the family entirely when Ted was a teenager.

Trevor is a teenage boy Dee encounters at the lake on the day her sister goes missing. Her interest in flirting with him distracts her from keeping a close watch on her younger sibling.