The son of a lighthouse keeper with ambitions in yacht building, marked by his working-class origins. Known for his bravery and moral integrity, he is central to the island's mysteries.

Miranda's complex foil, introduced as a vibrant, socially adept young woman. She grapples with inner restlessness and the consequences of remaining on the island.

Joseph's mother, whose life is defined by her romantic infatuations and the secrets she harbors. Her relationship choices have lasting impacts on her family.

A Harvard-educated island elite who embodies patrician values and moral complexities. His actions set off a chain of events that affect multiple characters.

Miranda's mother, whose journey from vulnerability to resilience influences her relationship with her daughter and her role on the island.

Isobel's former fiancé, a war veteran seeking stability who plays a significant role in the island's social dynamics. He navigates his loyalties and personal struggles.

A young man determined to break free from the island's constraints and family legacy. He shares a close bond with Miranda during her return.

A character known for her intelligence and independence, who mentors Miranda and leaves a lasting impression on the island and its social fabric.

Bianca's aunt and the general store keeper, acting as a guardian of island secrets and a figure of fairness. She balances family loyalty and moral principles.

Joseph's father figure, characterized by his honor and acceptance of family responsibilities. His presence provides stability and support to Joseph and Bianca.

Miranda's controlling husband, a film director who exerts significant influence over her career and personal life. His arrival on the island reveals much about their turbulent relationship.