A wealthy recluse is murdered in an absolutely sealed room.
Benita Hume
Ursula Ardfern
Kim Peacock
Tab Holland
Donald Calthrop
Yeh Ling
John Gielgud
Rex Trasmere
H. Saxon-Snell
Walters
Johnny Butt
Wellington Briggs
Colin Kenny
Insp. Carver
Arthur Maude
Director
Horace Wheddon
Director of Photography
S.W. Smith
Producer
Edgar Wallace
Novel
Kathleen Hayden
Writer
