Flash, Dale and Dr. Zarkov travel 1500 miles beneath the Earth's surface to confront the ruler of a subterranean people who are intent on destroying those who live above ground.<br /><br />Directed by Gunther von Fritsch<br />Starring Steve Holland, Irene Champlin, Joseph Nash<br /><br />Cast<br />Steve Holland as Flash Gordon<br />Irene Champlin as Dale Arden<br />Joseph Nash as Dr. Hans Zarkov<br />Henry Beckman as Cmdr. Paul Richards
