She-Wolf of London

A young, beautiful woman living at the Allenby Mansion who is about to marry Barry. She is initially terrified by the werewolf legend and anxious about losing her independence, but she remains central to uncovering the truth as family deceit unravels. Phyllis grapples with fear, love, and the pressure of social expectations while seeking clarity about her future.

Phyllis's aunt, a calculating matriarch who engineers attacks to keep control of the mansion and prevent Phyllis from marrying Barry. Her manipulation and cold ruthlessness drive the murders and set the central mystery in motion. Martha underestimates the danger of being exposed when a brave housekeeper and police close in.

Phyllis's fiancé, a barrister who becomes suspicious of the strange events surrounding the murders. He searches for real motives beyond rumors of werewolves and ultimately supports Phyllis in uncovering the truth. His investigation helps challenge the legend and push the narrative toward rational explanation.

Phyllis's cousin who shares a close household relationship with the family. She is entangled in the social web surrounding the Allenby mansion and her own romance with Dwight. Carol serves as a foil to Phyllis's fear and a catalyst for the family's internal dynamics.

Carol’s greengrocer boyfriend, a working-class figure drawn into the mansion’s social circle. His relationship with Carol makes him a potential obstacle to the family plans and a casualty in the web of jealousy and manipulation. Dwight’s presence highlights class contrasts within the plot.

The loyal housekeeper who overhears the scheming and ultimately acts as the crucial witness against Martha. Her courage to threaten the killer drives the final confrontation and helps bring the truth to light. Hannah embodies a moral compass in a house of secrets.

A Scotland Yard inspector who questions the park murders and suspects that there is more at play than a simple werewolf tale. He is skeptical of superstition and pushes for rational investigation inside the mansion’s grounds. His persistence helps steer the case toward its human culpability.

A police detective who collaborates with Inspector Pierce in probing the strange murders and the mansion's secrets. He represents methodical inquiry and the drive to connect disparate clues. Latham’s role underscores the procedural aspect of the mystery.

A park patrol constable who participates in the investigation surrounding the park murders. His presence emphasizes the distance between urban green spaces and inner-city crime, while he contributes to the sense that danger can lurk in public spaces as well as in private mansions.