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.
Genres:
Robert Wagner as Tony Petrakis
Terry Moore as Gwyneth Rhys
Gilbert Roland as Mike Petrakis
J. Carrol Naish as Socrates Houlis
Richard Boone as Thomas Rhys
Angela Clarke as Mama Petrakis
Peter Graves as Arnold Dix
Jay Novello as Sinan
Jacques Aubuchon as Demetrios Sofotes
Gloria Gordon as Penny Petrakis
Harry Carey, Jr. as Griff Rhys
Rock Hudson as Narrator (uncredited)
Jack English as Doctor (uncredited)
William Johnstone as Crewman of 'Snapper' (uncredited)
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