Beneath the 12-Mile Reef

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.

• 
  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