Scotland Yard sends a handwriting expert to a country house full of people with guilty secrets in order to solve a murder.
Wilfrid Hyde-White
Alastair Dane
D.A. Clarke-Smith
Hanson
Philip Hewland
Sir Henry Paxton
Sunday Wilshin
Lucille Davine
Guy Belmore
Simpson
Constance Godridge
Daphne Farrow
Donald Read
Peter Paxton
Daphne Courtney
Flora
Dorothy Hamilton
Mrs. Mulcaire
Alban Conway
Sylvester
William Collins
Edwards
George Pearson
Director