Movie
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.
Tony Petrakis
Gwyneth Rhys
Mike Petrakis
Socrates Houlis
Thomas Rhys
Mama Petrakis
Arnold Dix
Sinan
Demetrios Sofotes
Penny Petrakis
Griff Rhys
Narrator (uncredited)
Doctor (uncredited)
Crewman of 'Snapper' (uncredited)