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

Scot Cooper

Station Chief

Bart Fouche

Engineer

Greg Kriek

Co-Conductor

Paul du Toit

Berg Pilot

Liza Scholtz

Nurse

Paul Hampshire

Soldier

Clayton Evertson

WCKD Operator

Emily Child

Infected Woman

Paul Lazenby

Guard (uncredited)

Parm Soor

Board Member (uncredited)

Ryan Higgins

Extra (uncredited)

Peter Butler

Board Member