Black Water Gold (1970)

Scuba diver Ray (Aron Kincaid), marine biologist Christofer Perdeger (Keir Dullea) and historian Alejandro Zayas (Ricardo Montalban) team up to search for a sunken Spanish galleon and its cargo of gold. But there are others, headed by ruthless treasure hunter Lyle Fawcett (Bradford Dillman), who also want the treasure. Also stars France Nuyen and Lana Wood.

Keir Dullea starred as David Bowman in 2001: A Space Odyssey (1968).

Ricardo Montalban guest-starred as Khan Noonien Singh in the Star Trek episode “Space Seed”. He reprised his role in Star Trek II: The Wrath Of Khan (1982).

France Nuyen guest-starred as Elaan in the Star Trek episode “Elaan Of Troyius”.