Dylan O'Brien

Thomas

Kaya Scodelario

Teresa Agnes

Thomas Brodie-Sangster

Newt

Ki Hong Lee

Minho

Will Poulter

Gally

Aml Ameen

Alby

Patricia Clarkson

Ava Paige

Blake Cooper

Chuck

Dexter Darden

Frypan

Jacob Latimore

Jeff

Chris Sheffield

Ben

Joe Adler

Zart

Randall D. Cunningham

Clint

Alexander Flores

Winston

Don McManus

Masked Man

Michael Bow

Glader

Jerry Clark

Glader

Michael Deville

Glader

Dylan Gaspard

Glader

Cory Gooding

Glader

Cazi Greene

Glader

Dustin Guitreau

Glader

Tyler Harrison

Glader

Landon Hazel

Glader

Gary Hood

Glader

Nick Killebrew

Glader

John Langston

Glader

Chad Martinez

Glader

Lester Millet

Glader

Sawyer Pierce

Glader

Weston Rachal

Glader

Bryce Romero

Glader

Johnny Stockwell

Glader

SanChavis Torns

Glader

Lane Westerhaus

Glader

Gentry Williams

Glader

Adriana Acosta

Glader (uncredited)

Duane Cothren

Conference Room Parent (uncredited)

James Dashner

Lab Tech (uncredited)

Mark Gibson

Glader (Alec) (uncredited)