Directed by
| Santiago Aguilar | ... | (as Tortugo Aguilar) (as Cuadrilla Luisguridi) |
| Raúl Barbé | ... | (as Raul Bistec) (as Cuadrilla Luisguridi) |
| Luis Guridi | ... | (as Chpi Guridi) (as Cuadrilla Luisguridi) |
Writing Credits (in alphabetical order)
| Luis Guridi | ||
Cast (in credits order)
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Antonio Junco | ... | Patxi |
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Elena Huércanos | ... | Elena (as Elena Huercanos) |
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Popocho Ayestarán | ... | El entrenador (as Popocho Aiestaran) |
| Paul Naschy | ... | Doktor Laruskain | |
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Lupe Ederra | ... | Socorrista |
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José Mari Clavel | ... | El Lehendakari (as Jose Mari Clavel) |
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Porras | ... | El vigilante del Acuario |
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Trostky | ... | Bañista |
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El Pekines | ||
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Fernando Ibáñez | ... | Doble pez |
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Alejandro Bravo | ||
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Edurne Aristegui | ||
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Alberto Laskibar | ||
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José Luis Saenz | ... | (as Jose Luis Saenz) |
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Kiko Goenaga | ||
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Quique Abril | ||
| Rest of cast listed alphabetically: | |||
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José Luis Angulo | ... | Patxi (voice) (uncredited) |
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Luisa Ezquerra | ... | Elena (voice) (uncredited) |
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Luis Guridi | ... | El reportero (uncredited) |
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Carlos Revilla | ... | Doktor Laruskain (voice) (uncredited) |
Produced by
| Juan Arizmendi | ... | producer |
| Aitor Larruskain | ... | producer (as Aitor Larruscain) |
| Miguel Vidal | ... | producer |
Music by
| Alejo Alberdi | ||
| Rodrigo de Lorenzo | ||
| Juan Verdera | ||
Cinematography by
| Flavio Martínez Labiano | ... | (as Flavio) |
Editing by
| Cristina Otero Roth | ... | (as Cristina Otero) |
Sound Department
| Eduardo Beristain | ... | reference sound |
Camera and Electrical Department
| Francisco Fraile | ... | submarine photographer (as Paco Fraile) |
| Jorge Lain | ... | electrician |
| Alfonso Martínez | ... | electrician (as Alfonso Martinez) |
Costume and Wardrobe Department
| Rafael Teja | ... | wardrobe (as Rafa Teja) |