A smart and enigmatic girl who shares a unique telepathic link with Thomas and works to uncover her own mysterious role within WICKED's orchestrations.

The de facto leader of the Gladers, known for his precision, courage, and hot-headed nature, which sometimes leads the group into trouble during their trials.

The former leader of the Gladers who serves as "The Glue" that holds the group together despite the challenges they face, and navigates these trials with a limp but strong spirit.

A newcomer to the Gladers who shares a telepathic connection with both Thomas and Teresa, and whose role in the group's dynamic is initially met with suspicion.

A tough and intelligent Crank who aids Thomas through perilous territories, and though seemingly random, has a deeper connection to the events unfolding.

A strict and critical-thinking leader of the Cranks in the city, who ultimately decides to help the Gladers navigate the dangers they face.

A spokesperson for WICKED, who calmly and deliberately advises the groups on their journey, despite the widespread distrust he encounters.

An agency formed to combat the Flare and ensure humanity's survival, known for orchestrating the trials and manipulating the participants, while claiming their actions are justified.