While doing a thesis about violence, Ángela finds a snuff video where a girl is tortured to death. Soon she discovers that the girl was a former student at her college...
| Sound | Alejandro Amenábar | Original Music Composer |
| Sound | Mariano Marín | Original Music Composer |
| Camera | Hans Burmann | Director of Photography |
| Writing | Mateo Gil | Screenplay |
| Production | José Luis Cuerda | Producer |
| Production | Emiliano Otegui | Executive Producer |
| Directing | Alejandro Amenábar | Director |
| Writing | Alejandro Amenábar | Screenplay |
| Editing | María Elena Sáinz de Rozas | Editor |
| Production | José Luis Cuerda | Executive Producer |
| Production | Alejandro Amenábar | Associate Producer |
| Production | Hans Burmann | Associate Producer |
| Production | Wolfgang Burmann | Associate Producer |
| Production | Julio Madurga | Associate Producer |
| Production | Emiliano Otegui | Production Manager |
| Production | María Elena Sáinz de Rozas | Associate Producer |
| Costume & Make-Up | Ana Cuerda | Costume Design |
| Crew | Emma Penella | Thanks |
| Directing | Mateo Gil | Assistant Director |
| Production | Ricardo Steinberg | Co-Producer |
| Art | Wolfgang Burmann | Production Design |
| Costume & Make-Up | Paca Almenara | Makeup Artist |
| Sound | Manuel Corrales | Sound Effects |
| Sound | Pelayo Gutiérrez | Sound Editor |
| Sound | Nacho Royo-Villanova | Sound Effects Editor |
| Sound | Ricardo Steinberg | Sound |
