Frank's father, a Methodist minister who presides over multiple churches in New Bremen. Nathan is a virtuous man and remains steadfast in his morality despite adversity.

Frank's mother, who had hoped for a more affluent life but became a minister's wife. She is independent and occasionally rebellious against her church-bound life.

Frank's older sister, a talented musician set to attend Juilliard. Ariel is an important influence on Frank and becomes central to an unfolding mystery.

Frank's younger brother, who serves as a voice of conscience. He struggles with a speech impediment but grows beyond it as the story unfolds.

A former musician and brother to Lise Brandt who becomes closely connected to Ariel. His past and association with Ariel play significant roles in the storyline.

Emil's younger sister, born deaf and treated as an outcast by her family. She has a special connection with Jake and is a crucial figure in the narrative.

Ariel's boyfriend and son of affluent parents, Axel and Julia Brandt. His relationship with Ariel and personal struggles are significant to the plot.

Nathan Drum's war buddy who lives in the church basement. He offers guidance to Frank and Jake, functioning as a surrogate uncle figure.

A Dakota Sioux and World War One veteran who is viewed suspiciously by some. He provides a narrative contrast to traditional views and offers wisdom to Frank.

The town tough-guy with a difficult upbringing. He has encounters with Frank and Jake and is suspected in the surrounding tensions.

A New Bremen police officer and veteran known for his sadistic tendencies. He represents authority and suspicion in the community.

Frank's childhood friend, nephew of Warren Redstone, and a character who helps connect Frank to Warren.