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Asier Hormaza as Arnold (voice) |
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Aintzane Gamiz as María (voice) |
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Kandido Uranga as Búho Gigante / Ermitaño (voice) |
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Mikel Garmendia as Capataz/Gato Carcelero 1/Setita 1/Voz Off (voice) |
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José Felipe Auzmendi as Carlos/Demonio/Médico/Policía 4 (voice) |
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Ander Vildosola as Fantasma Ramiro/Paloma Mensajera/Ramiro (voice) |
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Nagore Irizar as Gatita/Hurona/Jenny/Sara/Setita 2 (voice) |
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Arkaitz Gartziandia as Gato Carcelero 2/Policía 2/Señor Hurón (voice) |
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Marga Altolaguirre as Gertrudis/Madre de María/Paloma/Pippo/Señora Cerdo/Señora Gato/Señora Osezno/Sirena (voice) |
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Iñaki Beraetxe as Gregorio (voice) |
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Aintzane Crujeiras as Hada Depresión/Setita 3 (voice) |
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Ramón Zalakain as Jefe Seta (voice) |
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Ana Lemos as Micaela (voice) (as Ana Lemos Correa) |
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Joseba Sacristán as Narrador/Policía 3/Preso Cerdo/Señor Cerdo/Señor Osezno (voice) (as Joseba Sakistrán) |
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Alberto Vázquez as Pato Roni (voice) |
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Xabier Yabar as Policía 1 (voice) |
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Raul Dans as Pollo Crazy (voice) (as Raúl Dans Mayor) |
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Iker Bengoetxea as Señor Seta (voice) |
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Damián Cortés as (voice) |
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Chelo Diaz as (voice) |
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Óscar Fernández as (voice) |
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Luis Iglesia as (voice) |
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Daniel Lema as (voice) |
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Gaspar Somoza as (voice) |
| Production | Chelo Loureiro | Producer |
| Writing | Alberto Vázquez | Writer |
| Production | Iván Miñambres | Executive Producer |
| Directing | Alberto Vázquez | Director |
| Editing | Iván Miñambres | Editor |
| Sound | Joseba Beristain | Original Music Composer |
| Writing | F. Xavier Manuel | Writer |
| Art | José Luis Ágreda | Art Direction |
| Production | Nuno Beato | Producer |
| Production | José María Fernández de Vega | Producer |
| Production | Iván Miñambres | Producer |
| Editing | Estanis Bañuelos | Editor |
| Sound | Iñaki Alonso | Sound Re-Recording Mixer |
| Sound | Iñaki Alonso | Sound Designer |
| Sound | Maider Blázquez | Foley |
| Art | Pakoto Martínez | Background Designer |
| Sound | Iosu González | Sound Editor |
| Sound | Oihan Lizaso | Dialogue Editor |
| Visual Effects | Joseba Hernández | Compositing Supervisor |
| Visual Effects | Fernando Abaca | Animation |
| Visual Effects | Julián Lominchar | Animation Supervisor |
| Visual Effects | Pamela Poltronieri | Animation Director |
| Visual Effects | Uxue Artetxe Diez | Layout Supervisor |
| Art | Maca Gil | Storyboard Artist |
| Art | Beñat Etxaburu | Storyboard Artist |
| Art | Marc Torices | Storyboard Artist |
| Visual Effects | Arturo Hernández Correas | Animation |
| Visual Effects | Alessandro Monnerat | Animation |
| Visual Effects | Friedrich Kießling | Animation |
| Visual Effects | Ana Rita Ferreira | Animation |
| Visual Effects | Chrystian Cattaneo | Animation |
| Visual Effects | Dalila Rovazzani | Animation |
| Visual Effects | Ana María Sabater Araújo | Animation |
| Visual Effects | Andrea Timbis Marco | Animation |
| Visual Effects | Filipe Fonseca | Animation |
| Visual Effects | Francisco Muñoz | Animation |
| Visual Effects | Gema Garcia Ingelmo | Animation |
| Visual Effects | Giulia Landi | Animation |
| Visual Effects | Héctor Zafra | Animation |
| Visual Effects | Javier Gaudioso Pinedo | Animation |
| Visual Effects | María del Carmen Cambrils | Animation |
| Visual Effects | Juan Antonio Carrillo | Animation |
| Visual Effects | Julián Lominchar | Animation |
| Visual Effects | Margarida Domingues | Animation |
| Visual Effects | Mauro Pavan Prieto | Animation |
| Visual Effects | Nelson Cabrera Curbelo | Animation |
| Visual Effects | Oihane Abete Salegi | Animation |
| Visual Effects | Pedro Miguel Santos Bilé | Animation |
| Visual Effects | Pere Migó Aran | Animation |
| Visual Effects | Rebecca Núñez | Animation |
| Visual Effects | Samuel Souto | Animation |
| Visual Effects | Santi Amézqueta | Animation |
| Visual Effects | Sara Boix Grau | Animation |
| Visual Effects | Sergi Miranda | Animation |
| Visual Effects | Sergio Molinero Garçia | Animation |
| Visual Effects | Sergio Pereira | Animation |
| Visual Effects | Sofía Larina Salinas Ivanchenko | Animation |
| Visual Effects | Xènia Sumoy Rovira | Animation |
| Crew | Víctor García | Additional Music |
