American Gothic Week: Of Their semblance no man may know, saving only in the features They have begotten on mankind; and of those there are many sorts, differing in likeness from man's truest eidolon to that shape without sight or substance which is Them

THE DUNWICH HORROR

1970

Directed by Daniel Haller

Written by Curtis Hanson, Henry Rosenbaum, and Ronald Silkosky (based on the short story by H.P. Lovecraft)

Spoilers: maybe kind of high?