![The Trygon Factor Poster](https://image.tmdb.org/t/p/w500//a3xoBkC1wJA3dSVrwViJ9WdpFV3.jpg)
The Trygon Factor
65.00%
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December 16, 1966
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Crime
A Scotland Yard detective is investigating a string of robberies and a murder, and the information he uncovers leads him to the estate of a wealthy but strange English family, who share their mansion with a group of nuns. The detective comes to suspect that neither the family nor the nuns is quite what they seem to be.
Featured Crew
Cyril Frankel
Director
Horst Wendlandt
Producer
Derry Quinn
Screenplay
Cast
![Stewart Granger](https://image.tmdb.org/t/p/w300//1DDF3dXe7nKVWqGX9HEvQyMHaHr.jpg)
Stewart Granger
Superintendent Cooper Smith
![Susan Hampshire](https://image.tmdb.org/t/p/w300//s8N5bC7RANSimkEaKNtguj7PkIR.jpg)
Susan Hampshire
Trudy Emberday
![Cathleen Nesbitt](https://image.tmdb.org/t/p/w300//bBhNGKtVtZoTfvzQQc9Tuj37UYs.jpg)
Cathleen Nesbitt
Livia Emberday
![James Culliford](https://image.tmdb.org/t/p/w300//4KhbtIVViHpXEe6P9AtLUehoqKD.jpg)
James Culliford
Luke Emberday
![Brigitte Horney](https://image.tmdb.org/t/p/w300//2itWTFX8CKozNM1PvxTbNTTE9mO.jpg)
Brigitte Horney
Oberin