 | Christian Bale als Trevor Reznik |
 | Jennifer Jason Leigh als Stevie |
 | Aitana Sánchez-Gijón als Marie |
 | John Sharian als Ivan |
 | Michael Ironside als Miller |
 | Lawrence Gilliard Jr. als Jackson |
 | Reg E. Cathey als Jones |
 | Anna Massey als Mrs. Shike |
 | Matthew Romero Moore als Nicholas |
| Robert Long als Supervisor Furman |
 | Colin Stinton als Inspector Rogers |
 | Craig Stevenson als Tucker |
 | Ferran Lahoz als Gonzales |
 | Jeremy Xido als Evangelisti |
| Norman Bell als DMV Clerk |
 | Nancy Crane als Waitress |
| Richard Torrington als Radiologist |
 | Buffy Davis als Marge |
 | Reg Wilson als Bartender |
| Ramon Camín als Detective |
| Christopher Hood als Drunk |
| Marc Aspinall als Inspector Daniels |
| Guillermo Ayesa als Old Fisherman |
| Daniel Ceren als Pedestrian |
| Marta Rubio als Woman in Crowd |
| Ewan Watson als Man in Crowd |
 | Chike Johnson als Young Policeman |
| Molly Malcolm als Ticket Agent |
| Jaume Mimó als Man in Stall |
| Flora Álvarez als Woman in Stall |
| James DePaul als Reynolds (uncredited) |
| Brad Anderson | Director |
| Julio Fernández | Producer |
| Xavi Giménez | Director of Photography |
| Luis de la Madrid | Editor |
| Carlos Fernández | Executive Producer |
| Antonia Nava | Executive Producer |
| Scott Kosar | Writer |
| Roque Baños | Original Music Composer |
| Alain Baineé | Production Design |
| Glòria Blanes | Script Supervisor |
| Jesús Luque | Visual Effects |
| Marc Álvarez | Production Assistant |
| Ivan Álvarez | Production Runner |
| Alberto Álvarez | Production Assistant |
| Xsepa | Production Runner |
| Marta Tarrida | Production Intern |
| Elisa Sirvent | Production Secretary |
| David Sans | Technical Supervisor |
| Lluís Salgado | Production Runner |
| Carlos Rosal | Production Runner |
| Laura Roige | Title Designer |
| Sílvia Rodrigo | Production Runner |
| Pau Rocher | Title Designer |
| Bernat Rifé | Production Assistant |
| Jordi Punsola | Production Runner |
| Anna Oms | Documentation & Support |
| Roser Morte | Production Assistant |
| Mary Kay McCoy | Dialogue Coach |
| Daniel Mateu | Production Intern |
| Emilio Martinez-Borso | Production Assistant |
| Jordi López | Production Runner |
| Ina Liza | Stand In |
| Meritxell Juncosa | Production Coordinator |
| Miguel Ibáñez Monroy | Additional Production Assistant |
| Rafael Gómez | Production Runner |
| Juan-Carlos Guzman | Stand In |
| Angela Fillingham | Dialogue Coach |
| Ruth Fernández | Production Runner |
| Glòria Blanes | Script |
| Mary Brites | Production Accountant |
| Radovan Sancera | Musician |
| Queti Pazos | Music Producer |
| Zacarías M. de la Riva | Orchestrator |
| Mario Klemens | Conductor |
| Lydia Kavina | Musician |
| Claudio Ianni | Orchestrator |
| Roque Baños | Orchestrator |
| Mar Francolí | Location Manager |
| José Pérez | Editor |
| Jorge Ortiz Yus | Telecine Colorist |
| Manolo Millán | Color Grading |
| Álex de Molina | Post Production Assistant |
| Guillermo de la Cal | First Assistant Editor |
| Félix Bueno | Post Production Assistant |
| Núria Roig | Wardrobe Assistant |
| Ester Grangel | Additional Wardrobe Assistant |
| Boris Zapata | Additional Lighting Technician |
| Debora Witte | Additional Lighting Technician |
| David Valldepérez | Second Assistant Camera |
| Eduardo Valero | Camera Intern |
| Ramón Sánchez | Steadicam Operator |
| Jordi Ruiz | Lighting Technician |
| Miqui Pérez | Additional Lighting Technician |
| Diego Moyano | Lighting Technician |
| Oriol Julià | Additional Lighting Technician |
| Emilio Guirao | Second Assistant Camera |
| Charly Guerrero | Key Grip |
| Juan Carlos Gorriz | Assistant Camera |
| Nicolás Geller | Still Photographer |
| Manuel Fernández | Lighting Technician |
| Óscar Faura | Second Unit Director of Photography |
| José Manuel Diaz | Additional Lighting Technician |
| Ricard Durany | Additional Lighting Technician |
| Francesc Carreras | First Assistant Camera |
| Albert Carreras | Camera Operator |
| Charly Bujedo | Additional Lighting Technician |
| Luis Ayala | Additional Lighting Technician |
| Jaume Puig | Dolby Consultant |
| Albert Manera | Sound Editor |
| Biel Cabré | Sound Design Assistant |
| Marc Orts | Sound Re-Recording Mixer |
| Fabiola Ordoyo | Sound Editor |
| Albert Manera | Sound |
| Biel Cabré | Boom Operator |
| Cris Vila | Property Master |
| Sylvia Steinbrecht | Set Dresser |
| Sergi Segarra | Graphic Designer |
| Octavi Segarra | Graphic Designer |
| Iñigo Navarro | Assistant Art Director |
| Elisabeth Martirena | Painter |
| María Losada | Assistant Set Decoration |
| Jordi Huguet | Storyboard Artist |
| Jaume Granell | Graphic Designer |
| Ricard Garcia | Graphic Designer |
| Jesús Chaparro | Painter |
| Rita Rubio | Third Assistant Director |
| Anna Rua | Second Assistant Director |
| Ivana Piqué | Third Assistant Director |
| Daniela Forn | First Assistant Director |
| Jesús L. Pérez Villar | Post Production Supervisor |
| Pascual Otal | Production Manager |
| Julio Fernández | Production Manager |
| Josep Amorós | Production Manager |
| Eduard Aguiló | Production Manager |
| Esther Villar | Special Effects Makeup Artist |
| Irene Puche | Prosthetics |
| Rosana Gatell | Prosthetics |
| Berta García | Prosthetics |
| Pedro Raúl de Diego | Prosthetics |
| Carlos Barea | Prosthetics |
| Irene Puche | Special Effects Makeup Artist |
| Rosana Gatell | Special Effects Makeup Artist |
| Berta García | Special Effects Makeup Artist |
| Pedro Raúl de Diego | Special Effects Makeup Artist |
| Carlos Barea | Special Effects Makeup Artist |
| Alma Casal | Key Makeup Artist |
| Maribel Pérez | Costume Design |
| Patricia Monné | Costume Design |
| Héctor Gil | Set Decoration |
| Roque Baños | Music |
| Teresa Gefaell | Line Producer |
| Javier Arsuaga Lekuona | Line Producer |
