THE MIST, a new series that actor Luke Cosgrove tells me is “like a cousin” to the book and movie of the same name by Stephen King, premieres June 22 (10/9c) on SpikeTV. As the show explores the fear that the townspeople feel in the face of THE MIST, it sounds like we’ll be on the edges of our seats (and maybe jumping out of them with fright) each week. Cosgrove plays Jake, the Sheriff’s son, the big man on