Dylan O'Brien portrays Thomas, the protagonist who finds himself in the Glade with no memory of his past.
Kaya Scodelario plays Teresa Agnes, the only girl to arrive in the Glade and who has a mysterious connection to Thomas.
Ki Hong Lee takes on the role of Minho, a key member of the Gladers who is brave and resourceful.
Aml Ameen portrays Alby, the leader of the group of boys in the Glade who tries to keep order among the inhabitants.
Blake Cooper plays Chuck, a young and loyal member of the group who becomes a close friend of Thomas.
Thomas Brodie-Sangster embodies the character Newt, the second-in-command among the Gladers who is dependable and wise.
Will Poulter portrays Gally, a Glader who becomes a rival to Thomas as they have differing opinions on how to deal with their situation.
Dexter Darden plays Frypan, a member of the Gladers who is responsible for cooking and providing meals for the group.
Chris Sheffield portrays Ben, a Glader who undergoes a dramatic change in behavior due to the mysterious circumstances of the maze.
Joe Adler takes on the role of Zart, a character in the Glade who undergoes challenges like the rest of the group.
Alexander Flores plays Winston, a member of the Gladers who is loyal to Alby and helps maintain order in the community.
Jacob Latimore embodies Jeff, a Glader who is part of the ensemble working towards finding a way out of the maze.
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