Description :
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. The Trygon Factor
Genre :
Casting :
Stewart Granger , Susan Hampshire , Cathleen Nesbitt , James Culliford , Brigitte Horney , Robert Morley , Sophie Hardy , Colin Gordon , Eddi Arent , Diane Clare , Allan Cuthbertson , Caroline Blakiston , Richardina Jackson , Yuri Borienko , Conrad Monk , John Barrett ,