From Wikipedia, the free encyclopedia. Juan Antonio Mañas Amyach, knoen as Achero Mañas (Madrid, September 5, 1966) is a Spanish film director. He is a former actor that had filmed several successful short films before receiving awards and recognition with his feature film debut El Bola. Description above from the Wikipedia article Achero Mañas, licensed under CC-BY-SA, full list of contributors on Wikipedia.