"A group of potential heirs gather in a forbidding old house to learn which of them will inherit a fortune. Later, they learn that a flesh-rending maniac is loose."
Honor Blackman
as Susan Sillsby
Edward Fox
as Hendricks
Michael Callan
as Paul Jones
Wendy Hiller
as Alison Crosby
Olivia Hussey
as Cicily Young
Carol Lynley
as Annabelle West
Beatrix Lehmann
as Mrs. Pleasant
Daniel Massey
as Dr. Harry Blythe
Wilfrid Hyde-White
as Cyrus West
Peter McEnery
as Charlie Wilder
Radley Metzger
Screenplay
Director
John Willard
Writer
Lorna Hillyard
Costume Designer
Jane Oscroft
Production Secretary
Jo Gregory
Production Accountant
Nick Pearson
Key Grip
Allen Burry
Publicist
Angela Allen
Continuity
Monica Howe
Tony Neale
Construction Manager
Alex Thomson
Director of Photography
John Golding
Focus Puller
Anthony Pratt
Art Direction
Ray Corbett
Associate Producer
Mike Fox
Camera Operator
David Sutton
Sound Assistant
Tommie Manderson
Makeup Artist
Frank Connor
Still Photographer
Theatre Play
Sarah Monzani
Hairdresser
Roger Harrison
Editor
Steven Cagan
Original Music Composer
Paddy Carpenter
First Assistant Director
John Hoesli
Richard Gordon
Producer
Paul Carr
Sound Mixer
Brian Bilgorri
Second Assistant Director
Martin Hume
Clapper Loader
Anthony Sloman
Sound Editor
Clive Winter
Sound Recordist
Ken Weston
Boom Operator
Derek Creedon
Property Master
Alan Carpenter
Assistant Director
Mary Hillman
Rose Tobias Shaw
Casting