A group of terrorists, led by a Brit and a psycho (in a great performance by "Rowdy" Roddy Piper) take control of the Hoover Dam and demand $25 million or they will kill civilians and dam workers they have taken … Don Wilson, Roddy Piper, Michael Anderson Jr., Brett Halsey, Brian Warren, Kate Greenhouse, Dave Nichols Added on Amazon Prime 2021-12-31. Youtube Trailer