A mysterious and complex character introduced as a trickster figure, bringing mischief and chaos to the narrative through his enigmatic actions.

Clara's brother, depicted as a gentle and passionate man who seeks a spiritual connection, influencing the unfolding events with his strong beliefs.

A friend of the Wieland family, known for his intellectual interests and the tension arising from his interactions with Clara and his own romantic entanglements.

A figure marked by religious fervor and mental illness, whose tragic fate and mysterious death serve as a catalyst for the story's events.

A friend of the Wieland family who provides support and a setting for significant plot developments when needed.

A young girl depicted as beautiful, sweet, and virtuous, with a family history that enriches the narrative's exploration of personal downfall.

Louisa's father whose backstory offers insights into the consequences of unchecked emotion and the quest for vengeance.

Clara's maid, who becomes involved with Carwin and plays a part in the unfolding drama through her actions and background.

Clara and Theodore's uncle on their mother's side, fulfilling the role of guardian and offering medical and familial support.