Dylan O'Brien Thomas
Kaya Scodelario Teresa Agnes
Aidan Gillen Janson
Thomas Brodie-Sangster Newt
Giancarlo Esposito Jorge
Nathalie Emmanuel Harriet
Alan Tudyk Blondie
Rosa Salazar Brenda
Katherine McNamara Sonya
Ki Hong Lee Minho
Patricia Clarkson Ava Paige
Lili Taylor Mary Cooper
Aaron Gilman Animation Supervisor
Barry Pepper Vince
Wes Ball Director, Executive Producer
David Zimmerman First Assistant Editor
Tatanka Means Joe
Damien Bray Stunts
Vicki M. McWilliams Art Department Coordinator
Gonzalo Robles Hazmat Soldier (uncredited)
Ben Pronsky Additional Voices (voice) (uncredited)
Joe Hartwick Jr. Producer
Alex Knight Aide
Jacob Lofland Aris Jones
Martin Palmer Rave Party Guest (uncredited)
Lora Martinez-Cunningham Thomas' Mother
Leonard MacDonald Makeup Effects
Lee Stollman Producer
Scott Puckett Visual Effects Producer
Nava R. Sadan Costume Supervisor
Kara Petersen Stunts
Tait Fletcher Stunts
Alice Rietveld Stunts
Steve Gehrke Script Supervisor
Jenny Gabrielle Ponytail
Kevin Maloney Boom Operator
Lee Gilmore Sound Effects Editor
Denise Chamian Casting
David J. Thompson Steadicam Operator
Steve DeCastro Stunts
Keith Jardine Scavenger Guard (Jim) (uncredited)
Terry Dale Parks Carl (Masked Man)
Wynema Chavez Ager/Dyer
Frank Powers Soldier (uncredited)
George Cottle Stunt Coordinator
Matthew Page Harold (Soldier)
Ed Duran Stunts
Carma Harvey Scavenger (uncredited)
Alexander Flores Winston
Teri Ann Uccan Hairstylist
David House Soldier
Sanja Milković Hays Costume Design
Lindsay Williams Executive Producer
John Christian Love Surveillance Room Attendant
Ai-Ling Lee Sound Designer, Supervising Sound Editor
Alexander Wagenman Kid on Train (uncredited)
Ivor Shier Stunts
Dan O'Connell Foley
Dan Brown Stunts
Tom Woodruff Jr. Makeup Designer
Irena Stepić Assistant Costume Designer
Timothy Eulich Stunts
Ron Bartlett Sound Re-Recording Mixer
Justin Muller First Assistant Director
John T. Cucci Foley
Mark Ginther Stunts
Ryan Jason Cook Nurse
Matthew T. Metzler Barkley
Wyck Godfrey Producer
John Guentner Foley Mixer
Kevin Abercrombie Stunts
Richard Duarte Foley Mixer