Divers Brad and Tony arrive in Jamaica to attempt salvage of the Lady Luck, sunk with all hands and a million in gold. They charter the American Beauty, skippered by attractive Terry, but cannot find the ship. But there's more to the Lady Luck than meets the eye, and undersea skullduggery forms a counterpoint to Brad's romance with Terry, and Tony's with cabaret singer Venita.

Robert Ryan
as Brad Carlton

Mala Powers
as Terry McBride

Anthony Quinn
as Tony Bartlett

Suzan Ball
as Venita

George Mathews
as Captain Meade

Karl Stepanek
as Dwight Trevor

Hilo Hattie
as Mama Mary

Lalo Rios
as Calypso

Woody Strode
as Djion

John Warburton
as Captain Clive
Wuchak
_**Sea adventure in Jamaica with Ryan and Quinn**_ Two American divers (Robert Ryan and Anthony Quinn) get a gig in Jamaica to find a sunken vessel with gold cargo while carousing and seeking out fair ladies (Mala Powers and Suzan Ball). Unfortunately, there are shady characters afoot (George Mat...