A policeman investigates a woman's link to murders that are preceded by a shrilling horn inside a family mausoleum.
William 'Stage' Boyd
Lt. Valcour
Lilyan Tashman
Laura Endicott
Irving Pichel
Philip Endicott
Regis Toomey
Office Cassidy
Sally O'Neil
Jane, a Maid
Blanche Friderici
Julia Endicott
Walter McGrail
Herbert Endicott
Lester Vail
Thomas Hollander
