 The film's main actors and supporting players included Greg Evigan, Taurean Blacque, Nancy Everhard, Cindy Pickett, Miguel Ferrer, Nia Peeples and Matt McCoy.DeepStar Six is an experimental deep sea US Naval facility, crewed by a mix of 11 military and civilians, now in the final week of their tour.The project is headed by John Van Gelder (Marius Weyers), in order to test underwater colonization methods, while overseeing the installation of a new nuclear missile storage platform.