Brás Cubas’s father, who embellishes the family’s history and indulges his son’s behavior while trying to guide him towards a respectable career.

Brás Cubas’s sister, who is concerned with maintaining the family’s social status and intervenes in his personal affairs to protect their reputation.

Sabina’s husband, who advises Brás on life decisions and becomes involved in family matters, including discussions about inheritance.

A woman with whom Brás Cubas has an affair, representing both his social ambitions and personal desires.

A love interest of Brás Cubas, whose relationship with him is characterized by financial dependency and material interests.

A woman Brás Cubas meets after his mother’s death, who faces rejection due to her physical disability and serves as a reflection of his shallow perceptions.

Cotrim's niece and a potential marital prospect for Brás Cubas, representing a strategic choice for social advancement.

Brás Cubas’s childhood friend, a philosopher with aspirations for recognition, who introduces the concept of "humanitism" as a guiding principle.