Emily Montague (“Melrose Place”) has joined the cast of Fright Night alongside previously announced Colin Farrell, Anton Yelchin, Toni Collette, David Tennant, Christopher Mintz-Plasse, Imogen Poots, and Dave Franco. She’ll play Doris, victim to the head vamp (being played by Farrell). The original “Fright Night,” written and directed by Tom Holland in 1985, was a horror comedy about a teenager who discovers that his neighbors are vampires. Chelsea Tavares, Sandra Vergara, Charlie B. Brown, Asim Ahmad, and Cliff Gravel round out the cast. Craig Gillespie directs the 3D redo arriving in theaters October 7, 2011.