Dylan O'Brien as Thomas

Kaya Scodelario as Teresa Agnes

Aml Ameen as Alby

Thomas Brodie-Sangster as Newt

Ki Hong Lee as Minho

Will Poulter as Gally

Patricia Clarkson as Ava Paige

Blake Cooper as Chuck

Dexter Darden as Frypan

Jacob Latimore as Jeff

Chris Sheffield as Ben

Joe Adler as Zart

Randall D. Cunningham as Clint

Alexander Flores as Winston

Don McManus as Masked Man

Michael Bow as Glader

Jerry Clark as Glader

Michael Deville as Glader

Dylan Gaspard as Glader

Cory Gooding as Glader

Cazi Greene as Glader

Dustin Guitreau as Glader

Tyler Harrison as Glader

Landon Hazel as Glader

Gary Hood as Glader

Nick Killebrew as Glader

John Langston as Glader

Chad Martinez as Glader

Lester Millet as Glader

Sawyer Pierce as Glader

Weston Rachal as Glader

Bryce Romero as Glader

Johnny Stockwell as Glader

SanChavis Torns as Glader

Lane Westerhaus as Glader

Gentry Williams as Glader

Adriana Acosta as Glader (uncredited)

Duane Cothren as Conference Room Parent (uncredited)

James Dashner as Lab Tech (uncredited)

Mark Gibson as Glader (Alec) (uncredited)

Darryl Harvey as Maze Control Room Supervisor / EMT (uncredited)

Janet L'Aube as Lab Scientist (uncredited)

Travis Michael Myers as Glader (uncredited)

Zach Nichols as Glader (uncredited)

Tommy Sheppard as Conference Room Member (uncredited)

Andrew Varenhorst as Patient Zero (uncredited)

Carol Jean Wells as Herself Lab Student (uncredited)

Jeff Wiesen as Glader (uncredited)

Adrian Acosta as Glader (uncredited)

Jacob Deville as Dan (uncredited)

Sheldon Maurer as Glader (uncredited)

Seth Nichols as Lab tech Student (uncredited)

Seth Nichols as Glader (uncredited)

Gustavo I. Ortiz as Rebel Soldier (uncredited)

McKenna Pippen as Lab Tech Student (uncredited)

Giovanni Silva as Lab Tech #7

Nicolas Stan as Child (uncredited)

Tony Vo as Glader (uncredited)

Kin-Lam Chan as Glader (Jim) (uncredited)