Baron Blood

Horror co-written and directed by Mario Bava. After returning to Austria to visit the castle of his ancestors, US college student Peter Kleist (Antonio Cantafora) brings the evil Baron Otto von Kleist (Joseph Cotton) back to life by reading an ancient spell at midnight. However, it's not long before the Baron embarks on a murderous rampage, leaving Peter and his friend Eva (Elke Sommer) to try and find a way to stop him.