| Episode credited cast: |
 | Raúl Cimas | - | Jaime Walter / Pirata |
 | Carlos Areces | - | Rosario / Miss Coconut (as Monserrat Colomer) |
| Joaquín Reyes | - | Onofre / Marinero Smith 'Maricón' / Marinero Smithers 'Tontico' / Capitán pirata, el padre de 'Tontico' |
 | Julián López | - | Emilio |
| Ernesto Sevilla | - | Zeus / Capitán Mounty Onthebounty |
| Gabriel Sevilla | - | Vecino ladrón de Rosario |
| Miguel Esteban | - | Tomás / Pirata |
| Mauricio Chiandussi | | |
| Gabriel Ignacio | | |
| Rafa Maragall | | |
| Álvaro Enebral | | |
| Javier Lázaro | | |
| Elisa Díaz | | |
| Rest of cast listed alphabetically: |
| Xavi Daura | - | Trabajador del museo 1 (as Venga Monjas) |
| Esteban Navarro | - | Trabajador del museo 2 (as Venga Monjas) |
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