

An American salvage diver plunges into dangerous intrigue around a sunken treasure in the Philippines.
Acting
Raymond Burr steals every scene as sweaty villain Brock.
Cinematography
Stunning location shooting in real Philippine waters.
Practical Effects
Actual diving sequences, no tanks faked in a studio.

Director
Gordon Douglas
Trivia, insights & behind the scenes
Flynn was so intoxicated during filming that director Gordon Douglas had to shoot around his shaking hands.
One of the last films shot on location in the Philippines before Hollywood largely abandoned expensive tropical productions for studio backlots.
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