Doctor Death: Seeker of Souls (1973)

“These Women have just seen their Doctor”

John Considine plays the flamboyant Dr. Death, a thousand-year-old magician who has mastered he art of transferring souls from one body to another and thereby manages to perpetuate himself by jumping from one body to the next. Apparently the Doc is a kindred spirit since his blood is a highly-corrosive acid that can strip flesh from bone