The only directorial effort of Joel Silver to date. Normally he is just a producer of movies and TV shows.
The photo of the twins' father is of Richard Donner.
During the Crypt Keeper's outro, if you listen closely, you can hear the exact same sound effects (including a scream and a wolf howling) isolated from the opening sequence of the series.
The house used in the story is the same one used in 1991, Steve Martin's "L.A. Story."
The name of the twins' deceased architect father is Etchison Dobbs Blair, which is perhaps an homage to the similarly three-named real-life architect Frank Lloyd Wright.