A composed and organized woman who engages with the previous tenant's mysterious past while dealing with personal trauma and new beginnings.

A successful architect known for his charming demeanor and disciplined lifestyle, intertwined with both Emma and Jane through personal and professional connections.

A magazine writer with a brash workplace environment, whose complicated relationship with Emma reveals different aspects of his character.

A well-meaning police officer involved in Emma’s case, who strives to assist and understand the full scope of events.

Emma’s therapist, offering guidance on her personal issues and relationships, although limited by Emma’s disclosures.

A coworker of Emma's and Simon's friend, who is briefly involved in events impacting Emma's narrative.

The doctor connected to Jane’s medical experiences, providing care and accountability in challenging circumstances.

The individual accused of robbing Emma, involved in key events that spark significant developments in the story.

The technological system within One Folgate Street that interacts with characters, contributing to the novel's unfolding mysteries.