Gilles is Irène's wealthy suitor after she leaves Jean. He catches Irène and Jean kissing on a hotel balcony and angrily abandons her with almost nothing. His rejection leaves Irène dependent on Jean's support and helps expose the emotional conflict between her pursuit of wealth and her growing love for Jean.
A colleague of Adamsberg who is involved in investigations beyond Paris. In London, he and Camille make the grim discovery of severed feet wearing pairs of shoes. Later, when Adamsberg launches an investigation into deaths apparently caused by spider bites, Danglard is deeply dismayed and seems to hinder him, revealing tension between his caution and Adamsberg's investigative instincts.
Galuchat becomes involved in the unstable circle of gambling, seduction, and financial dependence surrounding Frédérique and Rambert. His apparent suicide attempt is linked to the strain of supporting them, while he later hides alcohol and threatens further self-destruction. Frédérique insists that she will not abandon him.
Rémy is about to leave for military service when Isabelle crosses paths with him after leaving home. She sends a hurried message to Marc through Rémy, making him a brief but important link between the separated couple during Isabelle's departure.
A professional contact or dinner party attendee who joins the group in antagonizing François about his lack of friends, serving as a representative of his superficial social circle.
Ambitious police official who frequently clashes with Adamsberg over investigative methods.
Police official appearing in the chalk circle case, shares surname with Danglard.
Gérard is the farm owner and manager who inherited the land after his parents' accident. He marries Sophie just as the returning family member comes back, then struggles to contain the disruption. His old insurance arrangement with Bérino, jealousy over Annie, paranoia, and escalating control drive the central conflict.
Victor Durieux is Rosalie's father, to whom she returns the stolen painting after leaving the brothers' riverboat. He arranges for the artwork to be restored, making him an important connection between Rosalie's actions and the painting's recovery, although the plot provides no further details about his personal relationship with her.
Paulo is identified as Joseph’s friend from the period when they worked together on Monique’s farm in 1950. The story recalls their friendship and shared farm work, but the plot summary gives no separate actions or relationships for Paulo in adulthood.
Ambitious and ruthless police captain, often clashes with Adamsberg professionally and ideologically.
Martin is Charlotte's partner and a working-class man whose personality is described as unstable. He is also Eva's lover. When Charlotte is forced to undergo an abortion, he asks Morton's help for money; after a chain of tragedies, Martin drifts into crime. Their ten-year-old son Kuiv views these events.
Jacques Spiesser has 98 screen credits in a career dating back to 1972. Their work is anchored in the Neptunes Thunder universe with 5 titles. Signature works include The Man Who Sleeps, Quand sort la recluse, Mongeville et Magellan : Un amour de jeunesse. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
