Cal's father, who is a World War I veteran and serves as an influential figure in Cal's life. He is characterized by his strong values, such as loyalty and work ethic, and desires a life of purpose, which he seeks through associations like the Bonus Army.

Cal's first and best friend at Challagi, who helps him adjust to life at the school. He serves as both a mentor and a guide, helping Cal navigate the new environment and fostering a deep friendship.

Cal's deceased mother, who influences him posthumously. She was wise and perceptive, understanding Cal’s father's Creek identity and sharing a clairvoyant gift that binds her to Cal even after her passing.

The leader of the Challagi gang who exemplifies Creek values through leadership that includes serving others. He engages fairly with Cal, reflecting the just nature of Indigenous people as conveyed by Pop.