Spanish television drama thriller focusing on the students of a fictional boarding school in a forest, where teenagers are sent by their parents to study. The boarding school is situated in a forest far from the city, on the outskirts on which macabre events occur. The series debut on 24 May 2007, and is a production of Antena 3. Although the show is recorded and produced in HD, it is only broadcast in SD. However, an HD Blu-ray Disc release has been announced Héctor de la Vega - Luis Merlo Elsa Fernández Campos - Natalia Millán Jacinta García - Amparo Baró, Carolina Lapausa María Almagro - Marta Torné Marcos Novoa Pazos - Martiño Rivas Iván Noiret León - Yon González Carolina Leal - Ana Celia de Armas Victoria Martínez González - Elena Furiase Roque Sánchez Navas - Daniel Retuerta Cayetano Montero Ruiz - Fernando Tielve, Roger Príncep Fermín de Pablo / Carlos Almansa - Raúl Fernández Hugo - Javier Ríos Camilo - Pedro Civera Amelia - Marta Hazas Pedro - Eduardo Velasco Paula Novoa Pazos / Irene Espi / Eva Wulf - Carlota García Evelyn - Denisse Peñacock Mateo Tabuenca - Alejandro Botto Jacques Noiret - Carlos Leal Nora - Mariona Ribas Joaquín Fernández - Eduardo McGregor"The gnome" - Javier Iribarren, Roger Príncep Irene Espí / Sandra Pazos - Yolanda Arestegui"The old man" - Manuel de Blas Andrés Novoa - Luis Mottola Rebeca Benarroch - Irene Montalá Miguel - Eduardo Espinilla Julia - Blanca Suárez Alfonso Ceballos - Paco Merino Ricardo Montoya - Miguel Alcíbar Mario Torres - José Luis Patiño Susana Saavedra / López - Chusa Barbero Antonio - Manuel Jurado Julia's Mother - Àngels Bassas Manuela Portillo - Úrsula Corberó Verónica Fernández García - Lucía Quintana Martín - Oriol Tarrasón Márquez - Bruno Squarcia Rodrigo - Pablo Castellanos Ángel Lázaro Díaz"Juan" - Quim Ramos Julia's Father - Carlos Olaya Mary - Violeta Pérez Evelyn's Mother - Lucina Gil Evelyn's Father - Jesús Fuente Gerardo - Álex Quiroga Vicky's Mother - Lolita Flores Martin Moreno Rodriguez/Emilio Galvan - Ismael Martinez Amaia - Nani Jimenez