- Iker Alonso
- lighting artist
- Patricio Barreiro
- digital compositor
- Sebastián Barreiro
- digital artist
- Jaime Bescansa
- character rigging
- Tomás Bubis
- digital compositor
- Duncan Burch
- lead lighter
- Gabriel Campañó
- mastering supervisor
- Francisco Criado
- visual effects
- Luis De Gennaro
- visual effects
- Ivo Dukcevic
- digital compositor
- Fernando Falero
- character animator
- Nicolás Fernández
- visual effects supervisor
- Ana Garcia Iglesias
- production assistant
- Jonathan Germain
- lighting supervisor
- Ana Gómez Alcalde
- crowd simulation research and development
- Claudio Langsam
- visual effects supervisor
- Juan Carlos Lara
- character rigging supervisor
- Facundo Lavenia
- digital compositor
- Bruno López
- fur technical director / fx supervisor / fx technical director / render supervisor / visual effects supervisor
- Javier Mansilla
- lead color & lighting technical director
- Etienne Marc
- lighting technical director
- MarÃa Laura Moure
- visual effects producer
- Cinzia Pegorin
- lead color & lighting technical director
- Jacobo Piñeiro
- compositor
- Georgina Pretto
- film recording
- Carlos Calle Ramos
- visual effects
- Roberto Rubio Corral
- character rigging (as Roberto Rubio)
- Jesús Ruiz Torres
- character animator
- Armando Sepulveda
- modelling lipsync and effects
- Santiago Svirsky
- digital compositor
- Juan José Sánchez
- visual effects artist
- Cristian Tonhaiser
- digital effects artist
- Jon Uriarte
- color and lighting supervisor
- Juan Olivares
- digital compositor (uncredited)