The eldest Bright sister, Evelyn is serious, analytical, and practical, with a strong intellectual curiosity and a passion for medicine. She is driven by her desire to do what is morally right and offers guidance to those around her.

The imaginative and sensitive middle Bright daughter, Maggie is curious and compassionate. Her desire to help and fix things for others marks her interactions and decisions throughout the story.

The youngest Bright sister, Willa is temperamental and self-centered, yet her love for music and her journey through familial loss contribute to her development. Her experiences demonstrate resilience and a longing for what was lost.

The emotionally reserved father of the Bright family who provides steady support through his actions and dedication. His experiences revolve around duty, family, and coping with loss.

A childhood friend of the Bright sisters, Jamie undergoes significant change due to his war experiences. His bond with Maggie is central to the exploration of healing and support within the novel.

An infant who becomes a symbol of survival and a source of healing for the Bright family. His presence raises themes of fate and family beyond biological ties.