![Crescendo Poster](https://image.tmdb.org/t/p/w500//wQIhKHR4GmurIcurg0j6IDAUc4D.jpg)
Crescendo
52.00%
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June 7, 1970
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Horror, Thriller
An innocent project transforms into a perilous nightmare when researcher Susan Roberts arrives in France in search of information on a deceased composer. She contacts his widow whose mental deterioration, precipitated by the death of her husband, manifests itself in psychotic dementia. The young woman's arrival triggers an obsessive desire to marry her crippled son to Susan, ensuring by this union that the genius of the father will be passed on to future generations.
Featured Crew
Malcolm Williamson
Original Music Composer
Alan Gibson
Director
Scott MacGregor
Art Direction
Cast
![Stefanie Powers](https://image.tmdb.org/t/p/w300//oiTlbv7QC5qaF1BYTY6Qaij5rtq.jpg)
Stefanie Powers
Susan Roberts
![James Olson](https://image.tmdb.org/t/p/w300//poeGcRZH9GXvNCfqQn66STpMqhz.jpg)
James Olson
Georges Ryman / Jacques Ryman
![Joss Ackland](https://image.tmdb.org/t/p/w300//2votqyrYGvSsXKaPNIa0CZtvBMY.jpg)
Joss Ackland
Carter
![Margaretta Scott](https://image.tmdb.org/t/p/w300//rmtdgnlhPBAIGRd49egXxJL6N67.jpg)
Margaretta Scott
Danielle Ryman
![Jane Lapotaire](https://image.tmdb.org/t/p/w300//rPfQ7JUguavBCmuxvDcpbe1cxrX.jpg)
Jane Lapotaire
Lillianne