Directed by
| Martín Rosete | ||
Writing Credits
| Luiso Berdejo | ||
Cast (in credits order) verified as complete
| Jonathan D. Mellor | ... | Lead (as Jonathan Mellor) | |
| Féodor Atkine | ... | Narrator (voice) | |
 |
Javier Cidoncha | ... | Boy |
| Luna Montignier Peiro | ... | Girl (as Luna Montignier Pedro) | |
| Rest of cast listed alphabetically: | |||
| Sergio Perez | ... | Soldier 3 (uncredited) | |
Produced by
| Keith Balter | ... | associate producer |
| Luiso Berdejo | ... | executive producer |
| Eleazar Calo | ... | second assistant producer |
| Manuel Calvo | ... | producer |
| Héctor Gabriel García | ... | second assistant producer (as Hector Garcia) |
| Alex Gargallo | ... | associate producer |
| Gustavo Hernandez | ... | assistant producer |
| Maria Lahuerta | ... | consulting producer |
| Nuria Lloret | ... | associate producer |
| Tanuasu Martin | ... | assistant producer |
| Jose Martín Rosete | ... | producer (as The Rosete Brothers) |
| Cristina Mata | ... | second assistant producer |
| Aaron Mayo | ... | line producer |
| Kiko Medina | ... | consulting producer |
| Gabriel Omania | ... | executive producer |
| Encarna Perez | ... | coordinating producer |
| Sergio Perez | ... | second assistant producer |
| Juliana Real | ... | assistant producer |
| Martín Rosete | ... | producer (as The Rosete Brothers) |
| Miriam Ruiz Mateos | ... | line producer |
| Luisa Salvador | ... | coordinating producer |
| Pedro Smole | ... | second assistant producer |
| Jason Wayne | ... | associate producer |
| Koldo Zuazua | ... | producer |
| Sebastián Álvarez | ... | producer |
Music by
| José Villalobos | ||
Cinematography by
| Jose Martín Rosete | ||
Editing by
| Fernando Franco | ||
Art Direction by
| Rafael Castro | ||
Makeup Department
| Yurena Cazorla | ... | makeup artist |
| Pedro Raúl de Diego | ... | special makeup effects |
| Irene Puche | ... | assistant makeup artist |
| Josefa Verdugo de la Fuente | ... | makeup artist |
Second Unit Director or Assistant Director
| Manuel Calvo | ... | first assistant director |
Art Department
| Luiso Berdejo | ... | storyboard artist |
| Guaya González | ... | set dresser (as Guaya Gonzalez) |
| Xabier Huici | ... | storyboard artist |
| Jorge Lawerta | ... | graphic artist/illustrator |
| Raúl Monge | ... | concept artist |
| Mónica Teijeiro | ... | assistant art director |
Sound Department
| Nicolas de Poulpiquet | ... | re-recording mixer |
| Álex F. Capilla | ... | foley artist |
| Angel Fraguela | ... | sound mixer (as Angel Fragüela) |
| Patrick Ghislain | ... | foley artist / foley mixer |
| Álvaro López-Arregui | ... | sound editor |
| Peter Memmer | ... | sound editor |
| Xavier Prat | ... | sound recordist |
| Diana Sagrista | ... | sound recordist |
Visual Effects by
| Elisa Mar Ferre | ... | compositor |
| Marga García Visdómine | ... | compositor |
| Joaquín Gutiérrez | ... | compositor |
| David Heras | ... | visual effects supervisor |
| Javier Martínez Pacín | ... | cgi artist |
| Carlos Puchol | ... | visual effects producer |
| Sergio Rozas | ... | matte painter |
| Jorge Oliva Ruiz | ... | digital compositor |
| Javier Urrutia | ... | compositor |
| Rubén Villoria | ... | cgi artist |
Camera and Electrical Department
| Óscar Glez. Etayo | ... | gaffer |
| Oscar Gonzalez | ... | gaffer |
| Luis Cesar Izquierdo | ... | second assistant camera |
| Daniel Martos | ... | underwater camera |
| Jorge Morales | ... | electrician |
| Alberto Navarro | ... | digital imaging technician |
| Sergio Navarro | ... | electrician |
| Jorge Planas | ... | underwater assistant camera |
| Thamar Pueyo | ... | first assistant camera |
| Tenesor Quintana | ... | grip / steadicam operator |
| Claudio Sanchez | ... | key grip |
Casting Department
| Alejandra Alaff | ... | casting |
| Patricia Álvarez de Miranda | ... | casting |
| Juantxu Álvarez | ... | casting (as Juantxu Alvarez) |
Costume and Wardrobe Department
| Yurena Dominguez Bello | ... | assistant costume designer |
| Ana Martínez Fesser | ... | assistant costume designer |
| Marta Murillo | ... | costumer |
| Verónica Rubio | ... | assistant costume designer |
Editorial Department
| Ana Rubio | ... | first assistant editor |
| Carlos Valladares Pérez | ... | digital color correction / digital intermediate colorist |
Script and Continuity Department
| Endika Brea | ... | script supervisor |
Additional Crew
| Francisco Lorite | ... | color grading operator (as Fran Lorite) |
| Manuel López Pérez | ... | making-of (as Manuel López) |
| Kiat-Sing Teo | ... | miscellaneous crew |
Thanks
| Nanda Abella | ... | thanks |
| Nicolás Alcalá | ... | thanks |
| Guadalupe Arensburg | ... | special thanks |
| Andres Arroyo | ... | thanks |
| Raúl Arévalo | ... | thanks / the director wishes to thank |
| Sonia Blanco | ... | thanks |
| Jon Boyle | ... | thanks |
| Juan Antonio Casado | ... | thanks / the director wishes to thank |
| David Casas Riesco | ... | thanks |
| Julio Castedo | ... | thanks / the director wishes to thank |
| José Luis Cienfuegos | ... | special thanks |
| Jose Luis Gasent | ... | thanks |
| Francisco Guijarro | ... | thanks |
| Pepe Jordana | ... | special thanks |
| Juan Ley | ... | thanks |
| Leonardo Mendez | ... | thanks |
| Denis Nash | ... | thanks |
| Olimpia Pont | ... | thanks |
| Kerstin Poole | ... | thanks |
| Luis Ángel Pérez | ... | thanks |
| Carola Rodríguez Armas | ... | thanks (as Carola Rodríguez) |
| Andres Rosende | ... | thanks |
| Julia Valentine | ... | thanks |
| Alvaro Visiers | ... | thanks |
