Diabolique not only lacks substance, it lacks any real effort on the part of the main players. Sharon Stone's character is completely banal. Kathy Bates pops out of nowhere to accomplish nothing except adding 30 more minutes onto this pseudo-thriller bore-fest. As the movie went on, I found myself concerned less and less with the gratuitous sex and not-so-intricate plot twists that I seriously considered going out to the lobby to play "Space Invaders."