Mia’s best friend and classmate, also 11 years old, who is talented in math and dreams of becoming an artist. She faces struggles related to her family's undocumented status.

An 11-year-old Chinese immigrant and son of the motel's former owner, who has a passion for cooking. He navigates complex friendships with Mia and Lupe.

A long-term tenant at the motel who becomes the marketing director, offering advice and perspective to Mia as she faces various challenges.

The strict sixth-grade teacher of Mia and Lupe who helps Mia improve her writing and gradually shifts her views on immigrants.

Mia’s parents, former scientists in China, who now own and run the motel while striving to improve their financial situation and adapt to their new life.

Wealthy Chinese immigrants and parents of Jason, who initially look down on the Tangs but experience changes in fortune and perspective.

Lupe’s parents, Mexican immigrants living in the U.S. without authorization, who face challenges with immigration-related issues during the story.