1970/7: Dr. Jekyll and Sister Hyde 1970

 Trailer:

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https://ok.ru/video/1264511748848 

 https://en.wikipedia.org/wiki/Dr._Jekyll_and_Sister_Hyde

https://www.moriareviews.com/horror/dr-jekyll-and-sister-hyde-1971.htm 

https://www.moriareviews.com/horror/dr-jekyll-and-sister-hyde-1971.htm

https://thegrumpofhorror.wordpress.com/2022/07/18/review-dr-jekyll-sister-hyde-1971/