Kitty's husband, a quiet and intelligent bacteriologist, whose reserved nature and deep devotion to her shape their challenging marriage and mutual personal growth.

A charming and charismatic colonial administrator who engages in an affair with Kitty, providing her with a sense of excitement and passion missing from her marriage.

Charles's wife, a socially influential and composed woman in the colony, who is aware of her husband's infidelities yet remains a stabilizing force in his career.

Kitty's mother, an ambitious and socially climbing woman whose harsh expectations for her daughters reflect her preoccupation with status and material success.

Kitty's father, a modest and diligent man overshadowed by his wife's ambitions, finding little satisfaction in his career or family life.

Kitty's younger sister known for her unassuming appearance, whose unexpected engagement to a baronet acts as a catalyst for Kitty's decisions.

A deputy commissioner at Meitan-fu, who becomes a confidant and guide for Kitty, offering her new perspectives on life and relationships.

The head of a French convent in Meitan-fu, noted for her noble lineage and dedication to her duties, who influences Kitty's understanding of service and purpose.

A Breton nun at the convent in Meitan-fu, characterized by her warmth and candid nature, who provides Kitty with friendship and insights into local life.

Waddington's Manchu mistress, whose enigmatic presence and layered identity highlight themes of cultural and social complexities in colonial settings.