The Trygon Factor
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.
Genres: Crime
Directors: Cyril Frankel
Writers: Derry Quinn, Edgar Wallace, Stanley Munro
Cast
IMDB: tt0061124