- Maxi Adeva
 
                    - boom operator
 
                
                
                
                    
- Ãngela Arellano
 
                    - sound assistant
 
                
                
                
                    
- Alfonso Castellanos
 
                    - boom operator
 
                
                
                
                    
- Roberto Fernández
 
                    - additional re-recording mixer / dialogue editor
 
                
                
                
                    
- Dani Fontrodona
 
                    - sound: pre-production
 
                
                
                
                    
- Ivo Moraga
 
                    - foley artist / foley mixer / foley supervisor
 
                
                
                
                    
- Candela Palencia
 
                    - re-recording mixer
 
                
                
                
                    
- Marta Pavia Botella
 
                    - sound effects editor
 
                
                
                
                    
- Miriam Pedregal
 
                    - supervising sound editor
 
                
                
                
                    
- Carlos Ruiz
 
                    - boom operator
 
                
                
                
                    
- Soledad Vargas
 
                    - foley recordist
 
                
                
                
                    
- Amanda Villavieja
 
                    - production sound mixer