A young woman from the working-class town of Devil's Dip who accepts a transactional engagement with an aging mafia capo. She uses an anonymous hotline as an outlet for her guilt over minor acts of rebellion against her captivity. Deeply passionate about wildlife and conservation, she makes immense sacrifices to secure medical care for her ailing father and protect the Devil's Preserve.

The dangerously attractive nephew of Alberto Visconti who unexpectedly returns to the Devil's Coast. After abandoning his role as capo to live a legitimate life in London, he maintains a tenuous link to his violent heritage through his involvement with a secret confession hotline. He operates by a strict, personal moral code inspired by his late mother.

The cruel, aging capo of the Devil's Cove Cosa Nostra. He uses psychological and physical intimidation to control his subordinates and family members. He treats women as commodities and seeks to erase Rory's working-class identity while pushing for a lucrative hotel development on protected land.

Alberto's eldest son and the underboss of the Devil's Cove clan. He is a fiercely traditional leader who resents anyone threatening his position in the mafia hierarchy. He holds deep contempt for Rory and harbors intense jealousy toward his cousin Angelo.

Alberto's second son, who manages the nightlife operations in Devil's Cove. He exhibits a rebellious charm and a casual demeanor that contrasts sharply with his rigid older brother. He occasionally shows Rory brief flashes of camaraderie.

Angelo's brother and a charismatic visionary who owns properties in Las Vegas. As a high-stakes gambler, he is the primary architect of the modern Sinners Anonymous hotline. He actively seeks to maintain the bond he shares with his brothers.

The silent, scarred brother of Angelo and Rafe. He acts as the brutal enforcer of the trio and possesses an unyielding loyalty to his brothers. He silently assists in their clandestine operations and technical surveillance.

Alberto's son and the consigliere of the Devil's Cove Cosa Nostra. He attempts to maintain order and mediate disputes within the volatile Visconti household.

Donatello's wife. She demonstrates brief moments of kindness toward Rory but largely remains complicit in the family's harsh dynamics.

Rory's father and a retired ranger who lives near the Devil's Preserve. He suffers from environmental dementia that renders him lucid only when surrounded by the familiar forest.

Rory's best friend and a local tattoo artist. She is fiercely loyal and promises to safeguard Rory's father if any harm befalls her friend.

An escort employed by the Visconti family to supervise Rory's movements. He exploits his position to pressure her for inappropriate favors.

One of Alberto's teenage twins. He provides Rory with crucial information about the Visconti family's inner workings.

Alberto's teenage daughter and Leonardo's twin. She occasionally shares family history with Rory, including details about Angelo's past.

The deceased father of Angelo, Rafe, and Gabe. During his life, he served as both the local church deacon and the capo of Devil's Dip, using religious confessions to blackmail townspeople.

Angelo's deceased mother. Her optimistic belief that good actions can balance out bad ones shapes Angelo's personal moral code.