"Scotland Yard sends a handwriting expert to a country house full of people with guilty secrets in order to solve a murder."
D.A. Clarke-Smith
as Hanson
Sunday Wilshin
as Lucille Davine
Wilfrid Hyde-White
as Alastair Dane
Dorothy Hamilton
as Mrs. Mulcaire
Constance Godridge
as Daphne Farrow
Guy Belmore
as Simpson
Daphne Courtney
as Flora
Donald Read
as Peter Paxton
Alban Conway
as Sylvester
Philip Hewland
as Sir Henry Paxton
William Collins
as Edwards
Charles Barrett
as
Graham Cheswright
as Jury Foreman
George Pearson
Director
Ralph Neale
Scenario Writer
Story
Anthony Havelock-Allan
Producer
Ernest Palmer
Camera Operator
Lister Laurance
Editor
John Bryan
Art Direction
Production Supervisor
E.J. Holding
Production Manager
F.G. Bangs
Assistant Director
W. H. Lindop
Sound Recordist