A Taste of Blood

A Taste of Blood is a 1967 American horror film, produced and directed by Herschell Gordon Lewis. It stars, among others, Bill Rogers and Elizabeth Wilkinson. The movie was also known as The Secret of Dr. Alucard. Lewis considered this his masterpiece, which may account for the films relatively long running time of two hours most of Lewiss films run no longer than 80 minutes.

Source: Wikipedia