Cari is Arturo's mother, a talented cook who runs the family restaurant, La Cocina, after her mother falls ill. She values love and faith and believes in defending the restaurant through positivity and community rather than confrontation.

Carmen is a 13-year-old girl and family friend from Spain staying with Arturo's family for the summer. She is confident, knowledgeable about social issues, and becomes an important influence on Arturo's personal growth.

Abuela is Arturo's grandmother and the matriarch of the Zamora family. She is known for her exceptional Cuban cooking and her unwavering love and faith, which are central to her family's restaurant and values.

Abuelo is Arturo's late grandfather who, through his letters, shares valuable life lessons with Arturo. He loved José Martí's poetry and conveyed his understanding of love and courage through his writings.

Wilfrido is a real estate developer interested in acquiring the Zamora family's restaurant property. He is characterized by his wealth-driven attitude and antagonistic role.

Vanessa is Arturo's cousin and an active community advocate. She leads the Green Teens group and works to promote social and environmental causes within Canal Grove.

Bren is one of Arturo's close friends who emulates the style and persona of the rapper Pitbull. He is at a stage of exploring his identity like his peers.

Mop is Arturo's smart and intellectually curious friend. He is known for his humor and philosophical outlook, often exploring his own identity and beliefs.