Body Parts

A psychologist who treats killers and becomes the unwilling host of a serial killer's transplanted arm. After the operation, he struggles with violent visions and loss of control, forcing him to confront the consequences of the doctor's experimental approach. His fight to reclaim agency fuels the suspense and moral tension.

Former artist who now creates paintings with his new arm and profits from his altered talent. He dismisses warnings about the arm’s influence and becomes a flashy symbol of experimental success. His work foreshadows the dangerous cost of charismatic medical breakthroughs.

The killer whose head survives and whose limbs return in a new body, returning to torment Bill and the hospital staff. Charley embodies the perverse fusion of anatomy and menace, using the transplanted parts to pursue his grim ends.

The physician driving the transplant program, convinced of its clinical value and ethics-blurring potential. She champions the experiment while dismissing patient welfare, becoming a pivotal but morally compromised figure.

A detective involved in unraveling the chain of bodies and the killer’s return, he pressures the hospital and helps pursue the truth behind the arm-transfer mystery.

A patient who regains the ability to walk thanks to the donor legs, embodying the mix of hope and danger that accompanies experimental treatment.

Bill’s wife who is drawn into the consequences of the transplant and the moral weigh-in of the doctor’s experiments.

A key supporting character connected to Bill’s personal life; her experience is impacted by the medical and violent upheavals around Bill.

The child character who appears in the broader aftermath of the trauma, representing the stakes of the medical decision on the family.