- 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