A domineering money-bags' suppressed incestuous urges go into overdrive when her half-brother brings a new bride home to the family’s gloomy Fifth Avenue mansion. The title refers to a secret soundproofed chamber that the villainess uses to entrap her enemies.
Charles Vidor | Director |
Gladys Lehman | Screenplay |
Jack Cunningham | Screenplay |
Harry Fischbeck | Director of Photography |
Elizabeth A. McFadden | Theatre Play |
E. Lloyd Sheldon | Producer |
James Smith | Editor |
Fred Mayer | Camera Operator |
Robert Odell | Art Direction |
Elizabeth A. McFadden | Writer |