Kane is an enigmatic first-person narrator and the only child of a powerful family, whose troubled upbringing and emotional struggles are central to his relationship with Dahlia.

Violet, Dahlia's close foster sister, plays a crucial role in Dahlia's life, providing a sense of family and security amidst their shared difficult history.

Grant is Kane's abusive father and a powerful antagonist in the story, whose actions influence much of Kane's internal and external conflicts.

Helena, the emotionally passive mother of Kane, is entangled in the narrative through her complex relationship with her son and husband.

Jude is one of Kane's best friends and fellow Vencor members, sharing a deep-rooted allegiance and history with both Kane and Preston.

Preston, another of Kane's closest allies, shares ties with Jude and Kane and is involved in pivotal events that drive the plot dynamics.