A mentor figure and former mule skinner whose personal redemption is intertwined with Simon's success. Initially viewed with disdain by society, his skills and wisdom become vital to the expedition.

A teenager who joins Simon's group seeking freedom, he evolves into a valuable and confident member of the found family. His contribution as a provider ensures the group's survival.

Initially found alone and grieving, she becomes a resilient and capable member of the traveling community. Her practical knowledge and literacy make her an essential asset to the group.

The primary antagonist and Simon's father, depicted as morally weak and opportunistic. His misguided attempts to profit from Simon's turkey drive contrast sharply with his son's integrity.

Simon's third-grade teacher, who plays a crucial role in encouraging his journey by recognizing his potential and helping him pursue his dream. Her advice inspires Simon's quest.

Simon's aunt, uncle, and cousins, who serve as minor antagonists. They are characterized by their materialistic attitude and lack of support for Simon, contrasted by his found family.