Lady in the Fog

An English woman who seeks help from an American writer to uncover her brother’s killer. She is driven by grief and resolve, and she becomes a focal point of the investigation. Her loyalty to Danny fuels her cooperation with O'Dell, and she shows quiet courage under pressure.

An American writer visiting London who agrees to help Heather investigate the murder. He pursues leads across the city, survives threats, and uncovers connections among Hampden, Maybrick, and Sorrowby. His persistence and growing affection for Heather keep him immersed in the danger.

A nightclub owner who appears to act as a go-between, but is revealed to be Margaret Maybrick, Hampden’s wife. She is a calculating figure who orchestrates the murder scheme and uses deception to mislead investigators.

A producer and conspirator who teams with Margaret to plan the murder. He is evasive and powerful, using his status to shield the crime. He remains dangerous until the end, facing accountability in the climactic confrontation.

Hampden’s partner who cracked up during the war and ends up in a mental hospital. He provides a key signal of the plot’s reality and fantasy, admits involvement, but claims insanity. He is killed by Hampden’s henchman in the course of the investigation.

Hampden’s henchman, a violent enforcer who carries out dirty work and who kills Sorrowby. He remains a threat until the climactic confrontation, where his fate is sealed.

Heather’s brother, the victim of a nighttime hit-and-run. He is connected to a web of blackmail and secrets that pull the investigation toward Hampden and Margaret. His killing triggers Heather and O'Dell’s pursuit of the truth.