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