Olivia's romantic interest, portrayed as a handsome and assertive artist with a strong moral code, balancing traditional masculinity with humor and thoughtfulness.

Olivia's ex-husband and Emerson's father, who holds a political position and whose character presents varying facets through different parts of the story.

Olivia's close friend, known for her playful and opinionated nature, who becomes a critical source of support and plot revelations.

The building manager in France and a secondary character with a stereotypical French persona, compared to his more contemplative counterpart in the psychiatric storyline.

Olivia's neighbors in France, whose romantic escapades contribute to the novel's erotic elements and influence Olivia's own relationship experiences.

Olivia's at-home caretaker in one of the narratives, known for her supportive and protective nature, drawing connections with other characters and storylines.

Olivia's vibrant literary agent, whose guidance and influence are pivotal in advancing Olivia's career and experiences in France.

Olivia's young daughter, whose existence and well-being have a profound emotional impact on Olivia's life throughout different storylines.