"An American salvage diver plunges into dangerous intrigue around a sunken treasure in the Philippines."
Errol Flynn
as Gregory Mason
Ruth Roman
as Stella Callahan
Raymond Burr
as Brock Benedict
Paul Picerni
as Steven Ranier
Richard Webb
as Andy Callahan
Dan Seymour
as Lieutenant Zuenon
Georges Renavent
as Ortega
Robert Cabal
as Manuelo
Henry Marco
as Perol
Ben Chavez
as Policeman #1 (uncredited)
Howard Chuman
as Fortuno, Benedict's Bodyguard (uncredited)
Don C. Harvey
as Larry (uncredited)
Al Kikume
as Native Man in Island Bar (uncredited)
Ted Lawrence
as Motor Cop #2 (uncredited)
Leon Lontoc
as Policeman #2 (uncredited)
Paul McGuire
as First Mate (uncredited)
Nestor Paiva
as Captain Van Hoten (uncredited)
Milicent Patrick
as Minor Role (uncredited)
Otto Reichow
as Rainer's Henchman (uncredited)
Max Reid
as Policeman (uncredited)
Leo C. Richmond
as Motor Cop #1 (uncredited)
Michael Ross
as Big China (uncredited)
Alfredo Santos
as Policeman #3 (uncredited)
Philip Yordan
Story
Hollister Noble
Sidney Harmon
Milo Anderson
Costume Design
C.A. Riggs
Sound
Murray Cutter
Orchestrator
Hans F. Koenekamp
Special Effects
N. Richard Nash
Screenplay
Robert L. Swanson
Editor
David Weisbart
Producer
Gordon Douglas
Director
Robert Burks
Director of Photography
Max Steiner
Original Music Composer
Lyle B. Reifsnider
Set Decoration
Gordon Bau
Makeup Artist
Stanley Fleischer
Art Direction
