Willy Fog wordt opnieuw uitgedaagd door Sullivan en gaat samen met zijn vrienden op zoek naar een geheim pad naar het middelpunt van de aarde en de diepten van de zee.
| Writing | Jules Verne | Novel |
| Sound | Guido De Angelis | Original Music Composer |
| Sound | Maurizio De Angelis | Original Music Composer |
| Writing | Rafael Soler | Adaptation |
| Crew | Claudio Biern Lliviria | Post Production Supervisor |
| Production | Cristina Nicolau | Production Coordinator |
| Production | Ray Hampson | Production Coordinator |
| Production | Olivia Borricón | Production Director |
| Production | José Luis Rodríguez | Associate Producer |
| Production | José Manuel Iglesias | Associate Producer |
| Production | Manolo Castilla | Production Manager |
| Editing | Iván Rodríguez | Editor |
| Editing | Lola Serrano | Editor |
| Art | Toni García | Storyboard Artist |
| Art | Francisco Diaz Rojo | Storyboard Artist |
| Art | Jordi Guasch | Storyboard Artist |
| Art | Fernando Herraiz | Storyboard Artist |
| Sound | Tony Atkins | Sound Mixer |
| Sound | David Richmond | Sound Effects |
| Directing | Wang Yaquan | Director |
