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.
Cast
Stewart Granger
Superintendent Cooper Smith
Susan Hampshire
Trudy Emberday
Cathleen Nesbitt
Livia Emberday
James Culliford
Luke Emberday
Brigitte Horney
Oberin
Robert Morley
Hubert Hamlyn
Sophie Hardy
Sophie
Colin Gordon
Dice
Eddi Arent
Clossen
Diane Clare
Clare
Allan Cuthbertson
Det. Thompson
Caroline Blakiston
Nun
Richardina Jackson
Nun
Yuri Borienko
Nailer
Conrad Monk
Pasco
John Barrett
Guide
Jeremy Hawk
Bank Manager
James Robertson Justice
Sir John (voice)
Monika Dietrich
Photographic Model
Joseph Cuby
Unknown
Inigo Jackson
Unknown
Russell Waters
Unknown
Tom Bowman
Unknown
Carmen Dene
Unknown
Carol Dilworth
Unknown
Siegfried Schürenberg
Sir John
Karen Young
Unknown
Pauline Chamberlain
Unknown
Maurice Connor
Unknown
Peter Hannon
Unknown
Cicely Paget-Bowman
Unknown
Harry Phipps
Unknown
Peter Roy
Unknown
Alan Stuart
Unknown
John Tatham
Unknown
Hilary Wontner
Unknown
Fred Wood
Unknown
Crew
Cyril Frankel
Director
Derry Quinn
Screenplay
Stanley Munro
Screenplay
Edgar Wallace
Novel
Oswald Hafenrichter
Editor
Harry Waxman
Director of Photography
Ian Warren
Executive Producer
Horst Wendlandt
Producer
Barbara Barnard
Hairstylist
Aldo Manganaro
Makeup Artist
Ted Samuels
Special Effects
Peter Thomas
Original Music Composer
Hazel Peiser
Set Decoration
Roy Stannard
Art Direction
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