1987 Geometry A boy is tired of failing geometry, so he summons a demon. Credits Director Guillermo del Toro Producers Adolfo Camacho , Guillermo del Toro Writer Guillermo del Toro Editors Sigfrido Barjau , Peter Devaney Flanagan Cast Guadalupe del Toro , Fernando Garcia Marin , Francisco 'Napo' Sanchez , Rodrigo Mora Studio Necropia Entertainment Genres Comedy Horror External IMDb Amazon Posters 3
