| Matthew Fox | Patrick |
| Jeffrey Donovan | Jack |
| Quinn McColgan | Lu |
| Valeria Vereau | Emma |
| Clara Lago | Woman |
| Eduardo Fedriani | Creature 1 |
| Matt Devere | Soldier 1 |
| Alex Hafner | Soldier 2 |
| Jeremy Wheeler | Bus Driver |
| Katharine Bubbear | Young Girl |
| Lili Bordán | Wife |
| Julio Perillan | Passenger |
| Daniel Bargueño | Creature 2 |
| Adam Zambryzcki | Creature 3 |
| Orsolya Bene | Woman on Bus 2 |
Technical Credits
| Miguel Ángel Vivas | Director,Screenwriter |
| Javier Alvarino | Art Director |
| Gabriel Arias-Salgado | Executive Producer |
| Lóránd Banner-Szûcs | Casting |
| Charles M. Barsamian | Associate Producer |
| Jaume Collet-Serra | Producer |
| Juan Pedro de Gaspar | Production Designer |
| Luis de la Madrid | Editor |
| Andrea Flesch | Costumes/Costume Designer |
| Vérane Frédiani | Co-producer |
| James Gibb | Executive Producer |
| Josu Inchaustegui | Cinematographer |
| Hedvig Kiraly | Art Director |
| Axel Kuschevatzky | Executive Producer |
| Eva Leira | Casting |
| Jordi López | Editor |
| Brad Luff | Producer |
| Emma Lustres | Producer |
| Alberto Marini | Screenwriter |
| Sergio Moure | Score Composer |
| Borja Pena | Producer |
| Antonio P. Perez | Associate Producer |
| Reg Poerscout-Edgerton | Casting |
| Franck Ribière | Associate Producer |
| Miguel Riesco | Production Designer |
| Yolanda Serrano | Casting |
| Gábor Sipos | Co-producer |
| Juan Sola | Producer |
| Juan Sola | Producer |
| Judit Stalter | Co-producer |
