A scuba team, a marine archaeologist and a Mexican historian join forces to reach the wreck of an historic Spanish galleon before a well-armed commercial expedition does.
| Actor | Role |
|---|---|
 Keir DulleaChristofer Perdeger | Christofer Perdeger |
 Bradford DillmanLyle Fawcett | Lyle Fawcett |
 France NuyenThais | Thais |
 Aron KincaidRay Sandage | Ray Sandage |
 Ricardo MontalbanAlejandro Zayas | Alejandro Zayas |
 Lana WoodEagan Ryan | Eagan Ryan |
 Jacques AubuchonKefalos | Kefalos |
 Paul HamptonRoger | Roger |
| SStuart TyroneJason | Jason |