Neftalí's father and the main antagonist, known for his authoritarian nature and obsession with physical strength, which creates conflicts with Neftalí.

Neftalí's older brother, who provides support to Neftalí while exemplifying the effects of their father's parenting style by following a path he does not desire.

Neftalí's younger sister, admired by him for her cheerful disposition, who becomes a source of support and love.

Neftalí's stepmother, who offers unconditional love and encouragement, helping to nurture his love for words and reading.

Neftalí's uncle, who serves as a mentor and inspiration, modeling the integrity Neftalí aspires to as a writer.

A librarian in Puerto Saavedra who offers Neftalí an alternative view on pursuing one's passions despite paternal disapproval.

A schoolmate of Neftalí and the object of his affection, whose interactions with him highlight his shyness and lead him to express his feelings through writing.

A schoolmate who bullies Neftalí, symbolizing the oppressive forces Neftalí confronts as a writer advocating for justice.