A dutiful and industrious Black teenager with a deep sense of idealism. Raised by his grandmother in early 1960s Florida, Elwood is deeply influenced by the Civil Rights movement and possesses a strong moral compass. His promising future of attending college is derailed when he is unjustly sentenced to the notorious Nickel Academy reform school.

A pragmatic and adaptable boy incarcerated at Nickel Academy who becomes Elwood's closest companion. Unlike Elwood, Jack Turner operates with a cynical understanding of the world and focuses strictly on personal survival. He views his friend's idealism as naive but finds himself drawn to Elwood's unshakable sense of justice.

The sadistic and vicious white superintendent of Nickel Academy. While ostensibly answering to the board of directors, he runs the reform school unchecked. He uses terror, violence, and illegal punishments to maintain strict control and protect the institution's corrupt financial operations.

Elwood's loving grandmother and primary guardian. Having endured significant trauma and loss due to the racist systems of the Jim Crow South, she is wary of Elwood's involvement in the Civil Rights movement. She works tirelessly to provide for his future and fights desperately to secure his release from Nickel.

Elwood's high school history teacher and an active participant in the Civil Rights movement. He recognizes Elwood's intelligence, encourages his political awareness, and arranges for his early enrollment in free college classes.

A young white staff member at Nickel Academy whose mother previously worked at the school. He initially appears more humane than the other guards, offering the boys occasional respites from the constant terror of the campus, but he remains deeply embedded in the institution's systemic corruption.

A former Nickel boy whose post-incarceration life is marked by military service and severe struggles with alcohol. His adult encounters with fellow survivors reflect the long-lasting psychological damage inflicted by the academy.

Elwood's dormmate at Nickel Academy who patiently explains the unwritten rules of the institution. He tries to educate new arrivals on the arbitrary nature of the merit and demerit system.

A Mexican-American boy on the Nickel yard crew. His light brown skin causes the administration to constantly shuffle him between the segregated white and Black dormitories, fueling his resentment toward the abusive staff.

A feared bully and the toughest boy on the Black side of the Nickel campus. He is chosen to represent his side in the highly anticipated annual boxing match against the white boys' champion.

An alcoholic houseman and guard at Nickel Academy who actively participates in the vicious beatings of the boys. He has a mysterious past conflict with Jaime that makes him a target for poisoning.

A white Italian-American business owner in Frenchtown. He respects Elwood's exceptional work ethic and trustworthiness, though they disagree on how strictly to handle neighborhood children who shoplift candy from the store.

One of the threatening bullies at Nickel Academy. When Elwood attempts to intervene in one of his attacks on a smaller boy, Black Mike strikes him in the jaw.

A small, young boy at Nickel Academy who is targeted and assaulted by the older bullies. His inability to stop crying during punishment draws extreme wrath from the superintendent.

A guard who takes over for Earl and proves to be highly vicious and brutal. He enforces Spencer's cruel mandates and actively participates in tracking down fleeing boys.

The official head of Nickel Academy who oversees the institution's facade of legality. He uses inside information to stage cosmetic cleanups before state inspections, ensuring the school's lucrative operations remain uninterrupted.

A loving woman who meets and marries a Nickel survivor years after the academy. She provides a stable, supportive presence in his adult life.

An ESL teacher at a school for continuing education. She dates a former Nickel boy and supports his efforts to complete his GED and build a stable life after incarceration.

A young white lawyer from the North. Harriet spends her life savings retaining him to help secure her grandson's release from Nickel Academy.

A bully at Nickel Academy who frequently partners with Black Mike to intimidate younger, smaller boys in the rec room.

The white boys' boxing champion at Nickel Academy. He represents the white side of the segregated campus in a high-stakes, rigged fight organized by the administration.

A young boy who plays the violin and shares Elwood's bookish interests. Harriet approves of him as a highly suitable friend for her grandson.

A man driving a stolen car who picks up Elwood as a hitchhiker. When a state trooper pulls them over, his crime directly leads to Elwood's unjust incarceration.