Topher Grace is adding shocked disbelief to his roster of reactions. He's signed on to star in Home, a supernatural thriller which of course is being produced by Jason Blum. In the film, Grace plays a man who inherits a creepy mansion after being released from a mental institution. After a few disturbing instances of mirror scares, he comes to the conclusion that the place is haunted.

But what if it's all in his head, you guys? What if it's all in his head???? Oh my God, I just realized. What if WE'RE ALL just in his head???? (THR)