"A young woman goes to stay at the house of Lord Lebanon, but two murders in quick succession lead to the arrival of detectives and cause the woman to fear for her life."
Emlyn Williams
as Lord Lebanon
Cathleen Nesbitt
as Lady Lebanon
Norman McKinnel
as Chief Inspector Tanner
Gordon Harker
as Sergeant Totty
Cyril Raymond
as Sergeant Ferraby
Belle Chrystall
as Aisla Crane
D.A. Clarke-Smith
as Dr. Amersham
Percy Parsons
as Gilder
Finlay Currie
as Brooks
Julian Royce
as Kelver
Eric Roland
as Stud
T. Hayes Hunter
Director
Angus MacPhail
Writer
Bryan Edgar Wallace
Edgar Wallace
Theatre Play
Michael Balcon
Producer
Norman G. Arnold
Production Design
Harold V. King
Sound