A ghostly presence based on the historical figure, Emmett guides Jerome in understanding the significance of his and other similar deaths throughout history.

The 12-year-old daughter of a police officer, whose journey to understanding her father's actions and the broader societal issues of race forms a key part of the narrative.

A new student from San Antonio who befriends Jerome, Carlos struggles with guilt after an incident involving a toy gun and plays a supportive role to Jerome's family.

The police officer whose actions lead to Jerome's death, his character illustrates the complexities of law enforcement interactions with Black individuals.

The supportive grandmother of Jerome, who provides a loving and protective presence within the family, and bridges the generational gap between past and present struggles.

Jerome's younger sister, who uses books to cope with the challenges of their neighborhood and is aware of the looming threats of violence in their community.

A silent but memorable ghostly presence representing the real-life figure, he symbolizes the ongoing impact of violent deaths of Black youths.

The school bullies who target Jerome and Carlos, their actions indirectly contribute to the central conflict.

Jerome's parents, who are depicted as hardworking individuals navigating the grief and injustice following their son's death.

Carlos's father, who provides a supportive and understanding presence, encouraging Carlos to confront his emotions and tell the truth.