A prequel to Tremors (1990), this movie tells us about the founders of Rejection Valley and how they defended it against the dirt dragons AKA graboids. Michael Gross,Sara Botsford,Billy Drago,Brent Roam,August Schellenberg,J.E. Freeman,Ming Lo,Lydia Look,Sam Ly,Neil Kopit,Sean Moran,Matthew Seth Wilson,John Dixon,Dan Lemieux,Don Ruffin,Lou Carlucci,Kai Taschner,Andrew Van Hise