Lesley is a European-descended woman born and raised in Penang, Malaya. She considers herself socially progressive but harbors unexamined colonial biases that affect her worldview. She manages the strict social expectations of expatriate life while coping with an emotionally distant marriage to her older husband. Her early interest in revolutionary politics sparks a personal transformation that challenges her conventional lifestyle.

Willie is a famous English author visiting Malaya in 1921 to gather material for his stories. He faces severe financial trouble from bad investments while battling a persistent case of writer's block. The pressure to maintain his public persona adds to his daily stress. As a gay man in an era of strict criminalization, he moves through the world carefully while seeking inspiration in the concealed lives of others.

Robert is Lesley's husband, a lawyer nearly two decades her senior. His health is deteriorating due to lung damage sustained during World War I, prompting his desire to relocate to the drier climate of South Africa. He maintains a pragmatic view of colonial society and discourages his wife's involvement in local underground politics.

Gerald is Willie's young, handsome secretary and traveling companion. He enjoys frequenting local establishments, drinking heavily, and making impulsive social decisions. He relies entirely on Willie for financial support, which creates an undercurrent of tension given Willie's hidden monetary struggles.

Ethel is a white European woman living in Malaya and a close friend of Lesley. She becomes the center of a major scandal when she shoots a mine manager, claiming he attempted to assault her. Her highly publicized trial forces the insular colonial community to confront uncomfortable questions about colonial class structures and strict gender expectations.

Arthur is an English-speaking Straits Chinese doctor and a financial supporter of the underground Tong Meng Hui group. He collects intricately carved doors from condemned buildings, storing them in a dedicated property known as the House of Doors. His political commitment is deeply influenced by his grandmother's history as a Taiping rebel.

Sun is an exiled Chinese revolutionary raising money to overthrow the Manchu-led Qing Dynasty. He travels globally to build support for the Tong Meng Hui movement, constantly evading imperial authorities. His charismatic presence and unyielding political fervor deeply affect those around him.

Geoff is Lesley's brother and the owner of the local *Penang Post*. He operates as a pragmatist within the colonial press, balancing local political realities with his desire for exclusive journalistic scoops. He acts as a grounded sounding board for his sister while maintaining traditional views on society.

Steward is a mine manager whose sudden death initiates a highly publicized murder trial. His character and final actions are intensely scrutinized by the court and the colonial community as they attempt to piece together the events leading to his demise.

William is Ethel's husband, serving as the interim headmaster of a European school in Kuala Lumpur. He publicly defends his wife's character in court while facing severe social stigma from the colonial community.

Syrie is Willie's wife, residing in England. She uses her formidable social connections to influence her husband's life from afar. Her frequent requests for money create significant tension for Willie and draw open hostility from his traveling companion.

Peter is Robert Hamlyn's legal assistant. He works closely with Robert, managing professional matters and traveling with him to coordinate court cases across the region.

Ah Peng is the childhood nanny to Lesley and Geoff, and currently serves as the caretaker for Lesley's children. She maintains strong ties to her heritage while sustaining lifelong employment with the Hamlyn family.