 | Ortzi Acosta als Sir Hector van Donovan |
 | Txema Blasco als Old Man |
| Elías García Sanz als Swamp Creature #1 |
 | Ander Pardo als Swamp Creature #2 |
| Emilie Aranda als Damsel in Distress |
 | Zigor Bilbao als Swamp Monster |
| Ioar Argomaniz als Espinakito |
| Paul Urkijo Alijo | Director |
| Paul Urkijo Alijo | Producer |
| Aitor Acosta | Boom Operator |
| Christian Gálvez | Producer |
| Iván Saldaña | Producer |
| Ortzi Acosta | Producer |
| Vanesa Escalada | Special Effects Makeup Artist |
| Aitor Amozarrain | Sound Editor |
| Paul Urkijo Alijo | Screenplay |
| Pablo Ibañez Espuña | Producer |
| Ignacio Ibañez Serrano | Producer |
| Izaskun Urkijo Alijo | Producer |
| Omar G. García | Producer |
| Urko Olazábal | Producer |
| Ortzi Acosta | Executive Producer |
| Paul Urkijo Alijo | Executive Producer |
| Iván Saldaña | Executive Producer |
| Paul Urkijo Alijo | Production Director |
| Ortzi Acosta | Production Director |
| Sonia Pacios | Production Manager |
| Jaione Daubagna Urrechu | Script Supervisor |
| Carlos Gil | Director of Photography |
| David Zabala | Key Grip |
| Haizea Pastor | Still Photographer |
| Jon Sagróniz | Camera Operator |
| David Zabala | Camera Operator |
| Félix Guede | Gaffer |
| Aitor Amozarrain | Sound Engineer |
| Izaskun Urkijo Alijo | Production Design |
| Nerea Torrijos | Wardrobe Supervisor |
| Izaskun Makua | Makeup Artist |
| Izaskun Makua | Hairstylist |
| Gorka Aguirre | Special Effects Key Makeup Artist |
| Cristina Iglesias | Special Effects Key Makeup Artist |
| Unai Arnáiz | Special Effects Makeup Artist |
| Paul Urkijo Alijo | Editor |
| Igor González Velar | Visual Effects Supervisor |
| Paul Urkijo Alijo | Visual Effects Compositor |
| Mario J. Hernández | Visual Effects Compositor |
| José Miguel Vilalta | Color Grading |
| Xabat Lertxundi | Original Music Composer |
| Archie Goodwin | Comic Book |
| Paul Urkijo Alijo | Storyboard |
| Ander Fernández | Assistant Director |
