it be 30 year since i saw this film and and most of what i recall about it be that i love it and a a 10 year old watching at 4 a. m. i distantly recall a tale of bring life back with a dark and brooding sinister karloff obsess with a purpose . there be of course and a young couple in danger . i recall dark set and with much of the action in a dark room and or maybe it be even a cave . a i mention and it be a long time . i wish i could recall more and and find this film gem . do anyone know if a dvd or video company sell this classic of the genre .