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The Trygon Factor (1966)

M | | Comedy, Crime, Drama | May 1967 (UK)
Scotland Yard Superintendent Cooper-Smith investigates the suspicious looking Emberday estate where the Emberday family and an order of nuns reside.



(story), (screenplay) | 2 more credits »
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Cast overview, first billed only:
Supt. Cooper-Smith
Susan Hampshire ...
Trudy Emberday
Hubert Hamlyn
Cathleen Nesbitt ...
Livia Embarday
Sister General
Sir John (voice)
Siegfried Schürenberg ...
Sir John - German Version
Eddi Arent ...
Emil Clossen
Sister Claire
James Culliford ...
Luke Embarday
Colin Gordon ...
White Nun
Richardina Jackson ...
Black Nun


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. Written by frankfob2@yahoo.com

Plot Summary | Add Synopsis


Comedy | Crime | Drama | Mystery


M | See all certifications »





Release Date:

May 1967 (UK)  »

Also Known As:

A fehér apácák titka  »

Box Office


DEM 4,000,000 (estimated)

Company Credits

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Technical Specs


Sound Mix:



Aspect Ratio:

1.66 : 1
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Did You Know?


Although mentioned in some German Edgar Wallace books, Terry-Thomas did not appear in this movie as "Thompson", neither in the original English nor in the German version of it. The role was played by Allan Cuthbertson. See more »


Referenced in Lukas: Mann und Maus (1998) See more »

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User Reviews

An excellent and bizarre entry in the Krimi genre!
23 June 2008 | by (Beverley Hills, England) – See all my reviews

I've only seen a handful of Krimi's so far, but already it's clear that you can expect just about anything to happen, and while the plots don't always make complete logical sense - you can at least be guaranteed a damn good time! The Trygon Factor is no exception to this rule as the film being together several different plot elements and manages to spin a very intriguing tale of crime and murder out of it! Like most (all?) of the genre, the film is based on a book by Edgar Wallace and puts it's main focus on a monastery inhabited by both a group of nuns and a strange family. There has been some strange happenings going on in the area; including murder, and this leads Scotland Yard detective Cooper-Smith to investigate. It's not long before his investigation leads him to the monastery, but gaining a search warrant is a difficult task considering that the centre of it all is a place lived in by nuns. The detective therefore has to try and gather some 'real evidence' on the crimes which will allow him to gain the warrant and crack the case!

On paper it really sounds like this film will be a disaster as there's a great deal of little subplots and characters; yet somehow, the story comes together and despite a few moments of confusion; actually is quite coherent. The style of the film is great; director Cyril Frankel delivers a great colour scheme and the look of the film really suits its wayward plot line. The acting is very decent too, and the film features a standout performance from Stewart Granger in the lead role. It's clear that the film is not meant to be taken entirely seriously, and this is to its benefit as a truly serious tone would have ruined it. There's plenty to chuckle at in this movie! The atmosphere is great and the monastery at the centre of the movie provides some nice locations for the action to take place in. The murder scenes are not gory, but they are entertaining to watch - the final one is not to be missed! Overall, the Krimi genre on the whole certainly takes a bit of getting used to but it's great fun and this film is no exception. Highly recommended viewing!

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