George MacKay
Jack Marrowbone
Anya Taylor-Joy
Allie
Charlie Heaton
Billy Marrowbone
Mia Goth
Jane Marrowbone
Matthew Stagg
Sam Marrowbone
Nicola Harrison
Rose Marrowbone, Mother
Kyle Soller
Tom Porter
Tom Fisher
Simon Fairbairn, Father
Myra Kathryn Pearse
Molly
Paul Jesson
Doctor
Robert Strange
Monster
Laura Brook
Thelma (uncredited)
Adam Quintero
Mr. Gouldman (voice) (uncredited)
Sergio Burmann
Sound Mixer
Kike Maíllo
Second Unit Director
Nuria Mbomio
Makeup & Hair
Grace McComisky
Prosthetic Makeup Artist
Chris Fitzpatrick
Prosthetic Supervisor
Sandra Hermida
Production Manager
Margarita Huguet
Unit Production Manager
F. Javier Soto
First Assistant Director
Olga Pujalte López
Second Assistant Director
Pep Parés Font
Third Assistant Director
Edu Glez
Graphic Designer
Roberto Álvarez Espinedo
Property Master
Marc Carreres
Visual Effects Editor
Roberto Bonacini
Stunts
César Solar
Stunt Coordinator
Cuco Usín
Stunt Coordinator
Javier González Leonardo
Key Grip
Celine Gravez
Second Assistant Camera
Martí Maluquer
Gaffer
Almudena Cormenzana
Production Coordinator
J.A. Bayona
Executive Producer
Sergio G. Sánchez
Director
Sergio G. Sánchez
Writer
Fernando Velázquez
Original Music Composer
Oriol Tarragó
Sound Designer
Oriol Tarragó
Supervising Sound Editor
Xavi Giménez
Director of Photography
Belén Atienza
Producer
Álvaro Augustin
Producer
Ghislain Barrois
Producer
Elena Ruiz
Editor
Karen Lindsay-Stewart
Casting
Patrick Salvador
Production Design
Jaime Anduiza
Art Direction
Sonia Grande
Costume Design
Denise Kum
Prosthetic Designer
Pelayo Gutiérrez
Sound Designer
Pelayo Gutiérrez
Supervising Sound Editor
Tamara Arévalo
Boom Operator
Lucas Fernández
Boom Operator
Andrea Paralta
Dialogue Editor
Marc Gonell
Foley
Marta Monistrol
Foley
Boi Martínez
Foley Editor
Marc Orts
Sound Re-Recording Mixer
Enric Masip
Special Effects Supervisor
Edu Canet
Camera Operator
Sergi Bartrolí
Second Unit Director of Photography
Chisko Blanco
Electrician
Nacho Martinez
Electrician
Francesc Carreras
First Assistant Camera
Beatriz Delgado
First Assistant Camera
Quim Vives
Still Photographer
Emily Jacobs
Casting Associate
Ana Cuerda
Assistant Costume Designer
Wanda Morales
Assistant Costume Designer
Sara Cabrera
Set Costumer
Ana Charte
First Assistant Editor
Glòria Blanes
Script Supervisor
Cristina Sánchez Belmonte
Script Supervisor
Àlex Villagrasa
Visual Effects Supervisor
Daniel Adams
Utility Stunts