Dylan O'Brien
Thomas
Kaya Scodelario
Teresa Agnes
Thomas Brodie-Sangster
Newt
Ki Hong Lee
Minho
Dexter Darden
Frypan
Rosa Salazar
Brenda
Giancarlo Esposito
Jorge
Will Poulter
Gally
Aidan Gillen
Janson
Patricia Clarkson
Ava Paige
Barry Pepper
Vince
Walton Goggins
Lawrence
Nathalie Emmanuel
Harriet
Jacob Lofland
Aris Jones
Katherine McNamara
Sonya
Dylan Smith
Jasper
Jake Curran
WCKD Lieutenant
Dylan Kriek
Co Conductor
Scot Cooper
Station Chief
Kazi Maubert
Immune Child
Bart Fouche
Engineer
Greg Kriek
Co-Conductor
Paul du Toit
Berg Pilot
Liza Scholtz
Nurse
Shai Lun Choo
Little Girl
Fiona Ramsay
Board Member
Paul Hampshire
Soldier
Nathan Barris
Soldier
Drikus Volschenk
Team Leader
Clayton Evertson
WCKD Operator
Emily Child
Infected Woman
Dale Jackson
Holding Area Guard
Armando De Leca
WCKD Guard
Paul Lazenby
Guard (uncredited)
Parm Soor
Board Member (uncredited)
Ryan Higgins
Extra (uncredited)
Peter Butler
Board Member