The Chief Superintendent of the Sûreté du Québec. He is a deeply moral investigator who has recently ascended to the head of the police force after a long battle against institutional corruption. Haunted by past mistakes, he often wrestles with the tension between the strictures of the law and the demands of his conscience as he attempts to combat the devastating opioid crisis.

Armand Gamache's intelligent and supportive wife. She is deeply embedded in the Three Pines community, helping sort materials at the local historical society archives. She acts as a vital sounding board and moral compass for her husband during high-stress investigations.

An Inspector with the Sûreté du Québec and Gamache's trusted subordinate. He is fiercely loyal but struggles with the moral compromises required in their work. Having personally battled addiction, he is profoundly affected by the opioid crisis they are fighting.

The Chief Inspector and head of homicide for the Sûreté du Québec. She is a methodical, brave, and highly competent investigator who represents the integrity of the newly reformed police force. She takes charge of the crime scene when a body is discovered in Three Pines.

A prominent politician who sits on the committee that confirmed Gamache's appointment. She is visiting Three Pines for an annual university reunion. Known for her fierce principles, she boldly steps between an angry mob and the mysterious cobrador to prevent violence.

An architect from Montreal visiting Three Pines with her husband and former university friends. She is described by her peers as the stabilizing force of their group, a maternal figure who provides a safe harbor for those around her.

A journalist who identifies the mysterious black-robed figure as a cobrador. He is well-researched and pragmatic, though he shares the collective grief and anxiety of his university friend group.

Katie's husband, who is emotionally needy and heavily reliant on his wife's support. Following a traumatic event, he becomes deeply destabilized and requires medication to cope.

A young dishwasher who aspires to be a chef. He helps prepare meals for the village and is highly unsettled by the appearance of the mysterious cobrador figure. He harbors personal secrets and a history of addiction that he tries to keep hidden in his new life.

The new apprentice at Sarah's Boulangerie in Three Pines. She is anxious about her job security and deeply unsettled by the black-robed figure on the village green, fearing it has come for her or her associates.

A former psychologist who now runs the local bookstore in Three Pines. She is highly perceptive, often providing psychological insight into the community's anxieties and the motivations of those around her.

A successful artist living in Three Pines. She is observant and emotionally intuitive, capturing the hidden depths of her subjects in her paintings. Her artistic eye often catches details others miss.

An elderly, abrasive, and brilliant poet who lives in Three Pines. Accompanied by her pet duck, Rosa, she often makes cryptic, unsettling pronouncements that cut through the polite facade of the village.

The Chief Crown Prosecutor presiding over the murder trial. He maintains an openly adversarial and aggressive tone while questioning Gamache on the stand, pushing the limits of the court's patience.

A judge overseeing her first homicide case. She is perceptive and increasingly uneasy about the unusual dynamics playing out in her courtroom, sensing that hidden currents are influencing the proceedings.

The new head of serious crimes, making history as the first woman and first Haitian to lead a Sûreté department. She is a dedicated officer whom Gamache challenges to reinvent her unit amidst institutional struggles.

The owner of the local bistro, which serves as the social hub of Three Pines. He manages the establishment while keeping a watchful eye on the unfolding tensions in the village.

The dramatic and caring co-owner of the local bed-and-breakfast. He tries to comfort the visiting university friends when tragedy strikes, though he recognizes the toxic dynamics within their group.

A large local worker on a road crew. Gripped by fear, he attempts to violently confront the silent figure on the village green with a fireplace poker.

The affectionate owner of Sarah's Boulangerie in Three Pines. She is a warm presence who tries to comfort her anxious new apprentice.

A deceased university friend of Lea, Matheo, Katie, and Patrick. He died by suicide years prior, and his tragic death continues to heavily influence the lives and relationships of those he left behind.

Judge Maureen Corriveau's partner. She offers a sounding board for the judge's anxieties about the trial, providing outside perspective on the moral complexities of the case.

Armand Gamache's daughter and Jean-Guy Beauvoir's wife. She provides a loving family foundation for both men, unaware of the extreme professional dangers they are facing.

Ruth Zardo's pet duck. She accompanies the elderly poet everywhere, including to the local bistro and the village green.