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.
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)
Jack English
Doctor (uncredited)
William Johnstone
Crewman of 'Snapper' (uncredited)
Crew
Robert D. Webb
Director
A.I. Bezzerides
Writer
William Reynolds
Editor
Edward Cronjager
Director of Photography
Darryl F. Zanuck
Executive Producer
Robert Bassler
Producer
Dorothy Jeakins
Costume Design
Ben Nye
Makeup Artist
Bernard Herrmann
Original Music Composer
Fred J. Rode
Set Decoration
George Patrick
Art Direction
Lyle R. Wheeler
Art Direction
