- Gecko Turner: Lead vocals (2-11), vocals (1), backing vocals (3-5, 8, 10, 11), acoustic guitar (2, 5-9, 11), spanish guitar (10), piano (3, 4, 7, 9), percussion (2-5, 7-11), drums (4, 5), electric piano (7, 9), keyboard (11), sound effects (2), producer
- Álvaro Fdez. “Dr. Robelto”: Fender bass (2-11)
- Rafa Prieto: Electric guitar (2-11)
- Javi Mojave: Percussion (2-8, 10, 11), ngoni (3, 4)
- Pepín Muñoz: Drums (6, 8)
- Akindimeji Onasanya: Drums (11)
- John Lee Sanders: Piano intro (11)
- César Guerrero: Trombone (3), orchestra arrangements (2)
- Pablo Hernández: Tenor sax (4, 8), alto sax (8), radio speech (2)
- Diego Antunez: Flute (11)
- Astrid Jones: Backing vocals (2, 3, 7, 10)
- Deborah Ayo: Backing vocals (2-4, 7, 10)
- Miriam Solís: Backing vocals (5)
- Soledad Benitez: Backing vocals (11)
- Cira Fernández: Backing vocals (11)
- Russell York: Backing vocals (11)
- Nick Sullivan: Tv speech (2)
- Jutta Funnensmith: Radio speech (2)
- Carmen Casares: Radio speech (2)
- Begoña Pérez: Radio & tv speech (2)
- Rosa Duque: Laughter
- Rocío Clemente: Laughter

- El Escondite: Recording and mixing studio
- Silence Studios: Recording and mixing studio
- 13 Olivos: Recording and mixing studio
- Iván Domínguez: Recording and mixing
- David Capellán: Recording and mixing
- Tony Ficante: Recording and mixing, mastering (11, at 13 Olivos)
- Pete Maher: Mastering (1-10)
- Topfloor Productions: Mastering studio (1-10)

- Eugenio Álvarez: Typist (2)