The 17-year-old son of Francisco, whose work on the Panama Canal project reflects the experiences of laborers while highlighting his evolving understanding of Panama's political landscape and his personal journey towards community and belonging.

A 16-year-old girl from Barbados with a biracial heritage, who travels independently to Panama in search of work, showcasing her resourcefulness and intelligence, and quickly forming meaningful connections, notably through her medical knowledge.

A privileged Southern man tasked with overseeing health laboratories in Panama, whose social awkwardness and commitment to medicine contrast with his colonial attitudes and strained personal relationships.

A botanist married to John, who struggles with the constraints of her marriage and gender roles in the early 20th century, finding solace and connection through her friendship with Ada.

Panamanian figures connected to grassroots community activism, particularly Valentina's efforts in organizing a peaceful protest against a canal-related dam project that threatens her village, Gatún.