Newmarket Films ; Mod Producciones ; Himenóptero ; Telecinco Cinema present, with the participation of Canal+ España and the support of I.C.A.A., Ministerio de Cultura-Gobierno de España ; a Mod Producciones, Himenóptero, Telecinco Cinema production ; directed by Alejandro Amenábar ; written by Alejandro Amenábar, Mateo Gil ; produced by Fernando Bovaira, Álvaro Augustin