Diego's loyal childhood friend and ally, who communicates without speaking and eventually shares in Diego's double life as a second Zorro.

The main antagonist of the story, a wealthy and powerful man who employs deceit and corruption in an attempt to further his ambitions.

Diego's mother, who is a Shoshone warrior and part of his dual heritage, providing him with a strong sense of cultural identity and values.

Diego's father, a traditional Spanish aristocrat and landowner who upholds his cultural beliefs but deeply cares for Diego's upbringing.

Diego's spiritual Shoshone grandmother who guides him in his understanding of Indigenous values and his personal development.

A lively and spirited friend of Diego and Bernardo, and the story's narrator, who plays a supportive role in adventures while developing her own skills.

Diego's love interest, known for her beauty and kindness, who chooses to pursue a life of adventure rather than settle for traditional roles.

A Franciscan friar who mentors Diego in justice and fairness, exemplifying coexistence between Spanish and Indigenous cultures.

A strong-willed and influential widow who aids those in need but also represents the complexities of aristocratic power.

A fencing maestro who becomes Diego's mentor in Spain, introducing him to a secret society focused on justice.

A generous and fatherly figure who hosts Diego in Spain, holding progressive views while retaining certain traditional attitudes.

The dedicated and protective chaperone of the de Romeu sisters, who accompanies them throughout their journeys.

A charismatic pirate who captures Diego and others on their way to California, playing a significant rival and influence on Diego.

A compassionate supporter of Diego's cause, eventually becoming an important figure in his personal life.

A Romani woman who aids Diego and Bernardo, forming a close bond with them while challenging certain cultural constraints.

A childhood rival of Diego and Bernardo who maintains his bullying ways into adulthood, eventually becoming a corrupt governor.