Don Juan’s rival, similar in nature as a pleasure-seeking gallant who participates in the same bet with a focus on reputation and bravado. He is engaged to Dona Ana.

Dona Ines’s father, a stern and honorable knight commander who takes great care for his daughter’s future and confronts Don Juan regarding his intentions.

Father of Don Juan, a noble and intelligent man who seeks to understand his son's true character by observing his actions and their consequences.

A devout young woman living in a convent who becomes involved with Don Juan. She is characterized by her virtuous nature and inner strength.

Owner of a tavern where key discussions regarding the bet take place. He allows others to eavesdrop and admires Don Juan for his charisma.

Don Juan’s servant, known for his indulgent lifestyle paid for by his master. He assists in scheming to fulfill Don Juan's objectives.

Fiancée of Don Luis Mejia, engaged in a relationship underscored by loyalty and promises, and becomes involved in Don Juan's schemes.

Servant to Dona Ines, motivated by money and instrumental in manipulating her mistress’s perception of Don Juan.

A friend who supports Don Luis in the wager, exhibiting keen observation and a moral perspective on Don Juan’s actions.

An impulsive friend of Don Luis, later associated with Don Juan. He wagers blindly based on knowledge of Don Luis’s past.

A loyal servant of Don Luis who cooperates in the second bet but advises against it, indicating his practical nature.

Dona Ana's maid, driven by financial gain and easily swayed to aid Don Juan’s plans despite her mistress's engagement.

Witnesses to key events related to the wager and later provide context to Don Juan about developments concerning a cemetery.