They fashion weapons from sharpened sticks and broken glass and attack Jacinto in the cellar, finally pushing him into the cistern where he had dumped Santi's body. Weighed down by the gold he was carrying, Jacinto struggles to resurface, but Santi's ghost appears from the depths and drags him to his death. As the remaining children leave the orphanage and head to town, Casares' ghost watches them from the doorway. Cast Fernando Tielve as Carlos, an orphan. He is described by del Toro in the DVD commentary as a force of innocence. Tielve had originally auditioned as an extra before del Toro decided to cast him as the lead. This was his film debut. Both Tielve and his co-star Iñigo Garcés had cameos as guerrilla soldiers in Pan's Labyrinth. Íñigo Garcés as Jaime, the orphanage bully who later befriends Carlos. Eduardo Noriega as Jacinto, the caretaker. Marisa Paredes as Carmen, the administrator of the orphanage. Federico Luppi as Dr. Casares, the orphanage doctor. as Santi, an orphan who becomes a ghost. Irene Visedo as Conchita, Jacinto's fiancée. Production It was independently produced by Agustín Almodóvar as an international co-production between Spain and Mexico, and was filmed in Madrid. Del Toro wrote the first draft before writing his debut film Cronos. This "very different" version was set in the Mexican Revolution and focused not on a child's ghost but a "Christ with three arms". According to del Toro, and as drawn in his notebooks, there were many iterations of the story, some of which included antagonists who were a "doddering ... old man with a needle," a "desiccated" ghost with black eyes as a caretaker (instead of the living Jacinto who terrorizes the orphans), and "beings who are red from head to foot." As mentioned in the "Spanish Gothic" interview on the DVD, the name of the movie was initially to be taken from the "Devil's Backbone" mountain range setting in Mexico; this was changed when the movie wound up being set in Spain. One scene showed jars of a liqueur the doctor owned, each containing spiced rum called “Limbo water”, preserving a fetus that died from spina bifida. The doctor said the drink was rumored to cure impotence and was sold to fund the school. This became the origin of the name. As to motivation for the villain, according to the actor who portrayed him (Eduardo Noriega), Jacinto "suffered a