The immigrant father of Paul who works as a foreman on a construction site and dreams of the American dream. His death early in the story profoundly affects his family.

Geremio’s widow and the devout Catholic mother of eight children. She struggles but persists in keeping her family together after Geremio's death.

The corporation representative at Geremio's work site who prioritizes speed over safety. Known as "Boss," he lacks sympathy for the family after Geremio's accident.

Annunziata’s brother who works as a bricklayer and tries to support the family after Geremio's death. Despite an injury, he finds another way to contribute financially.

An older, wise midwife who aids Annunziata in childbirth and critiques both younger women and the Church. She is known for her sharp yet helpful nature.

A widow who lost her husband in the same accident as Geremio. She is lively, marries Uncle Luigi, and teaches him a new way to earn money.

The last child of Geremio, born after Geremio's death and named in his honor.

A hospital worker who cares for Luigi during his recovery, showing a fondness for him.

A church official who turns Paul away when he seeks aid for his starving family, offering only a slice of cake.

A colleague of Geremio and Paul known for not being invested in bricklaying and his dislike of his opera-inspired nickname.

A worker who mentors Paul in bricklaying and becomes his godfather. He supports Paul’s entry into the trade.

The manager of Paul’s first job site who initially refuses to pay him fairly, paying only $5 a week.

Paul’s younger sister who remarks on the changes in Paul as he transitions into adulthood.

A worker who instructs Paul on specific tasks and argues over them with Nazone.

A foreman at Paul's work site responsible for payments and giving orders.

An elderly woman who claims to communicate with the dead, providing guidance to Annunziata and Paul.

A Jewish refugee from Russia living in the same building as Paul who becomes his close friend despite facing neighborhood anti-Semitism.

Louis’s older brother who was killed in Russia for his revolutionary ideals and is revered by Louis.

A man who assists Annunziata by transporting her and her children to the courthouse.

The legal official overseeing the compensation case for Annunziata’s family, portrayed as detached from their struggles.

A bully in the neighborhood who harasses Louis with anti-Semitic remarks.

A foreman and Paul's boss at the construction site who gives orders and occasionally disputes with workers but maintains a sense of humor.

Paul’s neighbor who captures his interest and highlights his transition from childhood into maturity.

The boss at the skyscraper site where Paul and Nazone work who inadvertently causes a tragic accident.