Lizet and Leidy's mother who struggles with familial and personal upheavals, including her deep involvement in a community case that affects her family dynamics.

Lizet's father, a Cuban immigrant who works in construction and has complex views on his children's choices and future.

Lizet's older sister, a single mother working in Miami who holds traditional views and is skeptical of Lizet's new path at college.

Lizet's freshman roommate at Rawlings, a wealthy girl from New Jersey who struggles with cultural insensitivity but ultimately forms a bond with Lizet.

Lizet's high school boyfriend, a supportive but ultimately incompatible partner as Lizet's life takes new directions.

A fictionalized version of Elian Gonzalez, whose custody battle becomes a focal community issue impacting Lizet's family.

A fellow student at Rawlings who becomes a support and inspiration for Lizet, demonstrating resilience as a poor, Latina student.

A senior at Rawlings from Seattle who shares a financial background similar to Lizet's and offers friendship and understanding, though their relationship remains platonic.

Ariel's cousin who becomes a media figure and is significant to Mami's emotional journey, representing complex family dynamics.

A biology professor at Rawlings who offers Lizet academic and personal support, helping guide her toward a career in scientific research.