A young heiress finds evidence suggesting that at night she acts under the influence of a family curse and has begun committing ghastly murders in a nearby park.
Don Porter
as Barry Lanfield
June Lockhart
as Phyllis Allenby
Sara Haden
as Martha Winthrop
Jan Wiley
as Carol Winthrop
Lloyd Corrigan
as Detective Latham
Dennis Hoey
as Inspector Pierce
Martin Kosleck
as Dwight Severn
Eily Malyon
as Hannah, the Housekeeper
Frederick Worlock
as Park Patrol Constable-in-Charge Ernie Hobbs
Clara Blandick
as Mrs. McBroom (uncredited)
James Finlayson
as Constable (uncredited)
Olaf Hytten
as Constable Alfred (uncredited)
