_**The Louisiana bayou, an antebellum mansion, Hoodoo and Kate Hudson**_ A New Orleans hospice worker (Kate Hudson) takes a job at a dilapidated antebellum mansion in the bayou caring for a dying old man (John Hurt). His wife seems to be hiding something, however (Gena Rowlands). Peter Sarsgaard is on hand as the estate’s amiable lawyer. "The Skeleton Key" (2005) is a Southern Gothic supernatural thriller set in the Louisiana bayou à la “Cat People” (1982) and “The Reaping” (2007). It’s not as good as the former, but arguably superior to the latter or at least on par. Most of the film is an…