Kyle MacLachlan plays "Isaac Izard, the sinister original owner of the house."
Cate Blanchett is in negotiations to join the cast as "Mrs. Zimmerman, the uncle’s neighbor and best friend, and more importantly, a fellow witch."
Jack Black plays the Uncle in the movie.
Writer Eric Kripke is best known for creating the hit series Supernatural.
Based on the 1973 children's novel series by John Bellairs.