- Eduardo Acosta
- digital effects supervisor: Kinema Digital / flame compositor: Kinema Digital
                    
- Nacho Alemán
- digital conforming: Kinema Digital (as Ignacio Alemán) / digital scanning: Kinema Digital (as Ignacio Alemán)
                    
- Rubén Algarra
- 3d artist: Cubica (as Rubén Algara) / 3d supervisor: Kinema Digital (as Rubén Algara)
                    
- Nike Alonso
- visual effects producer: El Ranchito
                    
- Joan Amer
- 3d artist: Cubica
                    
- Jaume Arteman
- visual effects compositor: Furia Digital
                    
- Jonathan Attenborough
- visual effects artist: Furia Digital
                    
- Félix Bergés
- visual effects coordinator: El Ranchito
                    
- Cesc Biénzobas
- 3d artist: Cubica (as Cesc Biénzolas)
                    
- Luis Blasco
- digital compositor: El Ranchito
                    
- Cuco Bures
- visual effects compositor: Furia Digital (as Jaime Burés 'Cuco')
                    
- Francesco Campobasso
- visual effects artist: El Ranchito
                    
- Isabel Cano
- digital effects producer: Telson
                    
- Kepa Casado
- visual effects artist: Furia Digital
                    
- Segundo Casero
- visual effects artist: El Ranchito
                    
- Ramón Cervera
- digital effects compositor: Telson
                    
- Alberto Corpas
- visual effects artist: Furia Digital
                    
- Ramón Daza
- digital effects compositor: Telson
                    
- Daniel de Madrid
- digital effects compositor: Telson
                    
- Ignacio Luis de Redin
- visual effects artist: El Ranchito (as Ignacio Luis De-RedÃn)
                    
- AnÃbal del Busto
- digital compositor: El Ranchito
                    
- Eduardo DÃaz
- visual effects supervisor: El Ranchito
                    
- Javier Esteban
- visual effects artist: Furia Digital
                    
- David Esteve
- digital compositor: El Ranchito
                    
- Serrano Sanz Fernando
- graphic designer: Telson (as Fernando Serrano)
                    
- José Manuel Fernández Oli
- concept designer: Furia Digital
                    
- Aleix Fàbregas
- visual effects compositor: Furia Digital
                    
- Blas Galera
- digital conform editor: Telson (as Blas Galera-Monpeán)
                    
- Sergio Garcia Abad
- visual effects artist: El Ranchito (as Sergio GarcÃa)
                    
- Hugo GarcÃa Torres
- animator: Bush (as Hugo GarcÃa)
                    
- Pablo Giménez
- visual effects: Furia Digital
                    
- Javier Gonzalez Gabriel
- visual effects artist: El Ranchito (as Javier González)
                    
- Magoga González
- visual effects artist: El Ranchito
                    
- Alex Grau
- visual effects coordinator: Furia Digital / visual effects supervisor: Furia Digital
                    
- Javier Hernanz Zajara
- technical director: Kinema Digital (as Javier Hernanz)
                    
- Pablo Hernández-Meléndez
- visual effects artist: El Ranchito
                    
- Irene Jiménez
- graphic artist: Telson
                    
- Isidro Jiménez
- digital effects supervisor: Telson
                    
- Kristina Krebs
- animator: Bush
                    
- Nuria López
- digital effects producer: Telson
                    
- Eva MartÃn
- digital scanning: Kinema Digital
                    
- Javier MartÃnez Calvo
- titles animator: Telson
                    
- Laura Maynadé
- visual effects coordinator: Furia Digital / visual effects producer: Furia Digital
                    
- Alex Monge-Fernández
- 3d artist: Cubica
                    
- Inma Nadela
- digital compositor: El Ranchito
                    
- Enrique Oliva
- visual effects artist: El Ranchito
                    
- Guillermo Orbe
- digital compositor: El Ranchito
                    
- J.J. Palamo
- visual effects artist: Furia Digital (as J.J. Palomo)
                    
- Sergio Pinto
- visual effects artist: Furia Digital
                    
- VÃctor Poch
- digital colorist: Kinema Digital
                    
- Oriol Puig
- visual effects compositor: Furia Digital / visual effects supervisor: Furia Digital
                    
- Ramón Ramos
- digital compositor: El Ranchito
                    
- Chema Remacha
- visual effects coordinator: Kinema Digital / visual effects producer: Kinema Digital
                    
- Iñigo Remacha
- shake compositor: Kinema Digital
                    
- Thorsten Rienth
- digital compositor: El Ranchito / matte painter
                    
- Pau Rocher
- visual effects compositor: Furia Digital
                    
- Marco Rossi
- animation supervisor: Bush / animator: Bush / character technical director: Bush
                    
- Alberto Ruiz
- digital compositor: El Ranchito
                    
- Javier Santaella Garrigues
- sketch artist: Kinema Digital (as Javier Santaella)
                    
- Javier Sanz
- digital effects: Telson
                    
- Salvador Simó
- animator: Bush (as Salvador Simo)
                    
- Gabriel Sitjas
- visual effects compositor: Furia Digital
                    
- Rafa Solorzano
- digital compositor: El Ranchito (as Rafael Solórzano)
                    
- Aurelio Sánchez Herrera
- digital effects supervisor: Kinema Digital (as Aurelio Sánchez-Herrera) / flame compositor: Kinema Digital (as Aurelio Sánchez-Herrera)
                    
- Silvia Torralba
- digital effects producer: Telson
                    
- Carlos Trijueque
- digital compositor: El Ranchito
                    
- Daniel Trujillo
- digital compositor: El Ranchito
                    
- Joan Carles Vendrell
- visual effects artist: Furia Digital
                    
- Jaume Vilaseca
- visual effects compositor: Furia Digital (as Jaume E. Vilaseca)
                    
- Enrique Villarino
- digital scanning: Kinema Digital
                    
- Carles Zamorano
- 3d artist: Cúbica VFX
                    
- Lluïsa Cuchillo
- digital effects (uncredited)
                    
- Javier Mosqueda
- scanner operator (uncredited)
                    
- Magoga Piñas
- digital artist (uncredited)
                    
- Gustavo Sanchez-Perez
- freelance artist (uncredited)