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.
Keir Dullea
as Christofer Perdeger
Bradford Dillman
as Lyle Fawcett
France Nuyen
as Thais
Aron Kincaid
as Ray Sandage
Ricardo Montalban
as Alejandro Zayas
Lana Wood
as Eagan Ryan
Jacques Aubuchon
as Kefalos
Paul Hampton
as Roger
Stuart Tyrone
as Jason
