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Bobby Rhodes as Three |
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Hovik Keuchkerian as Four |
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Manuel de Blas as Scientist |
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Laura de Pedro as One |
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Alberto Jo Lee as Five |
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Octavi Pujades as Two |
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Mary Ruiz as Six |
| Production | Raúl Cerezo | Executive Producer |
| Production | Diego Arjona | Producer |
| Sound | Diego Navarro | Music |
| Production | Antonio J. Róldan | Producer's Assistant |
| Directing | Diego Arjona | Director |
| Writing | Diego Arjona | Writer |
| Crew | Antonio Cortés | Cinematography |
| Sound | Víctor Bermudo | Sound Editor |
| Sound | Jaime Braid | Sound |
| Visual Effects | Victor Martin Terradillos | Visual Effects |
| Writing | Ángel Agudo | Writer |
| Production | Javier Tapia | Production Designer |
| Lighting | Fran Ramos | Electrician |
| Costume & Make-Up | Víctor Javier Bernardos | Special Effects Makeup Artist |
| Production | Teresa Belmonte | Production Manager |
| Visual Effects | Adrián Sánchez | Visual Effects |
| Crew | Fernando Moleón | Steadycam |
| Costume & Make-Up | Bárbara Brea | Costumer |
| Directing | Raúl Cerezo | Second Unit Director |
| Editing | Victor Martin Terradillos | Editor |
| Art | Javier Tapia | Set Decoration |
| Crew | Pedro J. Mérida | Score Engineer |
| Camera | Manuel Cervantes | Assistant Camera |
| Camera | Antonio Cortés | Camera Operator |
| Directing | Celia Cuéllar | Script Supervisor |
| Lighting | Carlos Balsera | Electrician |
| Art | Javier Tapia | Art Direction |
| Crew | Ana Cubillo | Steadycam |
| Costume & Make-Up | Víctor Javier Bernardos | Makeup Department Head |
| Lighting | Carlos Hernandez Espinosa | Gaffer |
| Costume & Make-Up | Bárbara Brea | Costume Design |
