

Mike and Tony Petrakis are a Greek father and son team who dive for sponges off the coast of Florida. After they are robbed by crooks, Arnold and the Rhys brothers, Mike decides to take his men to the dangerous 12-mile reef to dive for more sponges. Mike suffers a fatal accident when he falls from the reef leaving Tony to carry on the business. But now he has a companion, Gwyneth Rhys.
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Trailer
Beneath The 12-Mile Reef ≣ 1953 ≣ Trailer
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Cast

Robert Wagner
Tony Petrakis

Terry Moore
Gwyneth Rhys

Gilbert Roland
Mike Petrakis

J. Carrol Naish
Socrates Houlis

Richard Boone
Thomas Rhys

Angela Clarke
Mama Petrakis

Peter Graves
Arnold Dix

Jay Novello
Sinan

Jacques Aubuchon
Demetrios Sofotes

Gloria Gordon
Penny Petrakis

Harry Carey, Jr.
Griff Rhys

Rock Hudson
Narrator (uncredited)
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