Twisted Nerve

A seemingly mild boy who hides a dangerous core. He adopts the Georgie persona to charm those around him while his true self harbors obsession and a readiness to resort to violence when confronted.

A library worker who becomes entangled with Martin and tries to uncover the truth behind his odd behavior. She demonstrates resilience and determination as she pieces together the clues of Martin's life and confronts the danger he poses.

Martin's stepfather, a distant authority figure who pressures Martin to travel to Australia. His presence heightens the family tension that fuels Martin's volatility and he ultimately falls victim to Martin's actions.

Martin's mother, who has remarried to a wealthy banker. Her new life creates distance within the family, contributing to Martin's sense of abandonment and his later instability.

Susan's mother, who rents rooms to guests. She becomes a target as the plot unfolds and her fate underscores the dangers lurking in ordinary domestic life.

A hospital worker who befriends Susan and helps uncover Martin's true nature. He provides crucial insight as the truth about the split identity emerges and races to avert further harm.

One of the paying guests who becomes involved in the police investigation and helps connect the clues surrounding Martin's activities.

Martin's older brother, who has learning difficulties and is sent to a special boarding school. He contrasts with Martin and remains a distant family figure.

Store Detective who questions the suspicious toy incident, representing the first external challenge to Martin's Georgie persona.