The forecast is calling for sharknados! Sharknado 3 premieres tomorrow night and Vanessa de la Viña talked to the stars of the movie to find out what insanity’s in store for us. Ian Ziering and Tara Reid tell us this movie’s packed with more celebrity cameos than ever from Mark Cuban to David Hasselhoff and Bo Derek. Even Frankie Muniz is making an appearance, as he told us a few months ago when he was in town for the BMW Charity Pro-Am. Sharknado 3 premieres tomorrow night at 9 p.m. on SyFy.