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Fanatic
She's One Mean Mother-in-Law!
A young woman is terrorized by her fiance's demented mother who blames her for her son's death.
- Year: 1965
- Country: United Kingdom
- Genre: Horror, Thriller, Mystery
- Studio: Hammer Film Productions
- Keyword: insanity, mother-in-law, religious fundamentalism, hagsploitation
- Director: Silvio Narizzano
- Cast: Tallulah Bankhead, Stefanie Powers, Peter Vaughan, Donald Sutherland, Maurice Kaufmann, Yootha Joyce