Creepy

A former profiler who resigns after an injury and becomes a university lecturer in criminal psychology. He is methodical, sharp, and relentlessly analytical, pushing through danger to uncover the truth. His loyalty to Yasuko drives him to confront Nishino despite personal risk.

A devoted wife who tries to befriend their neighbors but gradually falls under Nishino's influence. Her behavior becomes erratic as the brainwashing takes hold, yet she shows moments of strength and resilience. She plays a central role in resisting the impostor's control and protecting her family.

A cold impostor who moves from family to family, brainwashing them with drugs and deception. He uses charm to mask a violent and controlling nature, moving on as soon as his current lie is exposed. His ultimate goal appears to be subjugating another family and claiming their loyalty.

Presented as Nishino’s supposed daughter, Mio is under his psychological grip and initially claims he is not her father. She shows signs of internal conflict and resistance, becoming a catalyst for the confrontation against Nishino. Her reactions help reveal the depth of the brainwashing.

A former witness whose memory is unreliable, making it hard to reconstruct the events surrounding the family’s disappearance. Her inability to recall crucial details creates tension and underscores the danger of basing conclusions on incomplete recollections. She remains a potential key to unlocking the truth if her memory returns.

A former police colleague who urges Koichi to help probe the cold case. He participates in interviews and exploration, but is drawn into Nishino’s influence when invited inside the suspect’s home. He represents a bridge between professional investigation and personal danger.

An older police lieutenant who provides crucial information about the bodies found in the wreckage. He supports Koichi but is ultimately overwhelmed by Nishino’s deception during the pursuit. His involvement marks a turning point in the examination of the case.

A neighbor whose bed-ridden mother is part of the tight-knit but tense community. The Tanaka household becomes a casualty of Nishino’s manipulation, culminating in a deadly explosion that exposes the danger lurking behind familiar faces.

The Takakura’s family dog, a loyal companion who remains a constant in the household amid the growing tension. Max's presence underscores the contrast between innocent domestic life and the claustrophobic danger of Nishino’s scheme. In the film’s conclusion, Mio shares a moment of celebration with Max and the family.