A former Jet and co-founder of the gang, who works at Doc’s drugstore and becomes romantically involved with Maria, leading him away from gang life.

A highly aggressive and impulsive member of the Jets, always eager for confrontation and seeking approval from his gang's leadership.

A playful and carefree member of the Jets, who often jokes in tense situations and typically follows the decisions of other gang members.

The youngest Jet, who is impressionable and tries to fit in with the rest of the gang despite his youth and fear of violence.

A determined and persistent girl striving for acceptance by the Jets, frequently involved in their affairs despite being dismissed by the gang.

The proud leader of the Sharks and Maria's older brother, whose protective nature and intensity fuel his rivalry with the Jets.

Bernardo’s younger sister, an innocent and hopeful girl who becomes the romantic focus for Tony, seeking a life beyond street violence.

Bernardo’s fiancée, a lively and perceptive woman who provides guidance to Maria and navigates the challenges of her relationship and cultural identity.

A mild-mannered Shark, initially intended as Maria’s suitor, who becomes entangled in the gang's tensions and his own emotional struggles.

The supporting members of the Jets, including characters like Big Deal, Diesel, and Snowboy, who collectively support their gang's endeavors.

The female counterparts to the Jets, noted for their toughness and involvement in the gang's social dynamics, with prominent figures like Graziella and Velma.

The Sharks' supportive members, including figures like Pepe and Indio, who stand behind Bernardo in their shared rivalries.

The female companions to the Sharks, characterized by their beauty and cultural pride, often seen in social interactions within their community.

The owner of Doc’s drugstore who employs Tony, providing guidance and expressing concern over the destructive paths chosen by the gangs.

A plainclothes police officer tasked with managing gang-related disturbances, whose bias and authoritative demeanor shape his interactions with the gangs.

A large, often mocked police officer, who works alongside Schrank and is a frequent target of the Jets' humorous jabs.

An overly cheerful organizer of social events like dances, who attempts to mitigate gang tensions with activities, though his efforts are often ineffectual.