Mercer's brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed of poisonous arachnids ready to attack.
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| Camera | Carlos González | Director of Photography |
| Production | Brian Yuzna | Producer |
| Sound | Francesc Gener | Original Music Composer |
| Editing | Jaume Vilalta | Editor |
| Directing | Jack Sholder | Director |
| Production | Julio Fernández | Executive Producer |
| Production | Julio Fernández | Producer |
| Writing | Mark Sevi | Screenplay |
| Production | Carlos Fernández | Executive Producer |
| Art | Llorenç Miquel | Production Design |
| Production | Naomi Yoelin | Casting |
| Art | Enrique Echeverría | Art Direction |
| Production | Greg Kyle | Casting |
| Production | Américo Piñeiro | Casting |
| Costume & Make-Up | Catou Verdier | Costume Design |
| Camera | Tersi Roquer | Still Photographer |
| Production | Jordi Berenguer | Production Manager |
| Sound | Jaume Puig | Dolby Consultant |
| Visual Effects | Jaume Vilaseca | Visual Effects Supervisor |
| Directing | Anna Kemp | Script Supervisor |
| Art | Laura González | Art Department Coordinator |
| Camera | Núria Roldos | Camera Operator |
| Production | Adriana Aimo | Production Manager |
| Sound | José Luis Vázquez | Sound Editor |
| Sound | Manuel Carrión | Foley |
| Sound | Marc Orts | Sound Re-Recording Mixer |
| Art | Roger Subirachs | Construction Manager |
| Visual Effects | Laura Maynadé | Visual Effects Coordinator |
| Directing | Manuel L. Cañizares | First Assistant Director |
| Visual Effects | Gloria Bernabeu | Digital Compositor |
| Costume & Make-Up | Susana Sánchez | Makeup Artist |
| Crew | Damian Fisher | Special Effects Technician |
| Costume & Make-Up | José Antonio Sánchez | Makeup Supervisor |
| Visual Effects | R.S. Cole | Creature Design |
| Crew | José M. Meneses | Special Effects Technician |
| Costume & Make-Up | Núria Anglada | Seamstress |
| Art | Sergio Sandoval | Concept Artist |
| Camera | Mundo Mulero | Key Grip |
| Lighting | Eduardo Bonilla | Lighting Technician |
| Camera | Roger Martínez | First Assistant Camera |
| Production | Fina Torrente | Production Coordinator |
| Camera | Elisenda Cardona | First Assistant Camera |
| Camera | Fernando Díaz Torres | First Assistant Camera |
| Camera | Guillem Huertas | Second Assistant Camera |
| Lighting | Javier Guerrero | Electrician |
| Camera | Javier Valderrama | Second Unit Director of Photography |
| Lighting | Toni Puertas | Gaffer |
