Check out this review of 'Death Ship' at: BadMovies.org
A cruise liner collides with another ship in the middle of the night and sinks. The few survivors, including First Officer Trevor Marshall (Crenna) and his family, and the captain, Ashland (Kennedy), are rescued by a passing ship. The rescuing vessel is the ship that struck the liner: once a Nazi prison ship, the ghosts of its victims and crew are still aboard. This death ship roams the oceans, intentionally ramming ships like the cruise liner in its search for new victims. Captain Ashland is possessed by the spirit of a German naval captain and begins murdering the survivors.