FilmDistrict has released the first teaser trailer for Insidious a few months after we saw the first clip and a positive reception at the Toronto International Film Festival.  Rose Byrne (Damages) and Patrick Wilson (The A-Team) star as parents of a boy who falls into a coma after an accident at their new house: “The tragedy doesn’t stop there when they are beset by vengeful spirits from another realm.”  Insidious is the latest collaboration between Saw director James Wan and screenwriter Leigh Whannell, and the teaser is appropriately very creepy.  Watch it after the break.Insidious opens on April 1. Via AICN:

When proud parents take possession of an old house to build a nest for their family, an accident results in one of their sons falling into a coma. The tragedy doesn’t stop there when they are beset by vengeful spirits from another realm in this new chiller by the director and writer of Saw and by the producers of Paranormal Activity.

Click here to check out a recent video interview with Wan and Whannell in which they discuss Insidious and an upcoming sci-fi project.