 | Anna Paquin als Regina |
 | Lena Olin als Maria |
 | Iain Glen als Mark |
 | Giancarlo Giannini als Albert Rua |
 | Fele Martínez als Carlos |
 | Fermí Reixach als Villalobos |
 | Stephan Enquist als Paul |
| Francesc Pagès als Driver traffic jam |
 | Craig Stevenson als Electrician |
| Carlos Castañon als Friend 1 |
| Carles Punyet als Friend 2 |
 | Reg Wilson als Librarian |
 | Ferran Lahoz als Taxi driver Regina |
| Pedro Antonio Segura als Patient traffic jam |
| Astrid Fenollar als Old woman 1 |
 | Robert Forcadell als Passerby in rain |
| David Martí als Man sleeping on bus |
| Carlos Fernández | Executive Producer |
| Bob Weinstein | Executive Producer |
| Jaume Balagueró | Director |
| Julio Fernández | Producer |
| Matt Western | Casting |
| Fernando de Felipe | Screenplay |
| Guy J. Louthan | Executive Producer |
| Carles Cases | Original Music Composer |
| Jaume Balagueró | Screenplay |
| Eva Arretxe | Costume Design |
| Harvey Weinstein | Executive Producer |
| Elena Arnao | Casting |
| Brian Yuzna | Producer |
| Xavi Giménez | Director of Photography |
| Luis de la Madrid | Editor |
| Llorenç Miquel | Production Design |
| Luis de la Madrid | Visual Effects Editor |
| Brad Wilder | Makeup Artist |
| José Luis Moya | Construction Coordinator |
| Pedro Jesús De la Fuente | Construction Coordinator |
| Jaume Puig | Dolby Consultant |
| Satur Merino | Hairstylist |
| Alma Casal | Makeup Department Head |
| Jaume Vilaseca | Visual Effects Supervisor |
| Jesús L. Pérez Villar | Production Manager |
| Nieves Martin | Hairstylist |
| Marc Orts | Sound Re-Recording Mixer |
| Deborah Chambers | Set Decoration |
| Sylvia Steinbrecht | Set Decoration |
| Manel López | Sound Editor |
| Sebastián Hernandis | Underwater Camera |
| Elizabeth Himelstein | Dialect Coach |
| Ramón Sánchez | Steadicam Operator |
| Manuel Zambrana | Still Photographer |
| Bernat Vilaplana | First Assistant Editor |
| José Luis Rodríguez | Gaffer |
| Richard Hyland | Production Accountant |
| José Manuel Herrero Gaspar | Underwater Camera |
| Elisa Sirvent | Location Manager |
| Mariana Gironella | Script Supervisor |
| Albert Carreras | Camera Operator |
| Anna Rua | Second Assistant Director |
| Iñaki Sánchez Arrieta | Second Second Assistant Director |
| Rita Rubio | Third Assistant Director |
| Paco Escofet | Assistant Set Decoration |
| Ramón Moya | Construction Manager |
| Martín Sánchez Fernández | Painter |
| Félix Álvarez | Painter |
| Joan Sabaté | Property Master |
| Jerome Boyle | Props |
| Gustavo Suñer | Props |
| Jordi Huguet | Storyboard Artist |
| Antonio Sánchez-Romo | Supervising Carpenter |
| Javier Guerrero | Best Boy Electrician |
| Óscar Faura | Second Unit Director of Photography |
| Luis Ayala | Electrician |
| Diego Moyano | Electrician |
| Kike Martínez | Electrician |
| Francesc Carreras | First Assistant Camera |
| Roger Martínez | First Assistant Camera |
| Juan Carlos Gómez | First Assistant Camera |
| Charly Guerrero | Grip |
| José Ángel Manrique | Grip |
| Javier González Leonardo | Grip |
| Mundo Mulero | Key Grip |
| Charly Bujedo | Lighting Technician |
| Manel Fernández | Lighting Technician |
| Ferran Calvó | Second Assistant Camera |
| Marc Gómez del Moral | Second Assistant Camera |
| José Calderón | Negative Cutter |
| Martin Contel | CG Artist |
| Jordi Costa | CG Artist |
| Joan Pardo | CG Artist |
| Gloria Bernabeu | Digital Compositor |
| Daniel Izar de la Fuente | Special Effects Technician |
| José M. Meneses | Special Effects Technician |
| Juan Serrano | Special Effects Technician |
| Manel López | Boom Operator |
| Ferran Mengod | Dialogue Editor |
| Manuel Carrión | Foley Artist |
| Jordi Monrós | Foley Recordist |
| Dani Fontrodona | Sound |
| Salva Mayolas | Sound |
| Mary Kay McCoy | Dialogue Coach |
| Ingrid Fernández de Castro | Production Assistant |
| Elisa Sirvent | Production Assistant |
| Alberto Álvarez | Production Assistant |
| Mark Sonoda | Production Executive |
| Allan Baker | Story Editor |
