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...
Ángela
Chema
Bosco
Castro
Figueroa
Sena
Yolanda
Ángela's Father
Ángela's Mother
TV Presenter
Video Library Concierge
Vigilant
Train Attendant
Sales Manager
Vanessa
Professor 1
Professor 2
Train Watchman
Old Man
(uncredited)