Beneath the 12-Mile Reef(1953) Mike and Tony Petrakis (Gilbert Roland and Robert Wagner) are a Greek father and son team who dive for sponges off the coast of Florida. After they are robbed by crooks, Mike decides to take his men to the dangerous 12-mile reef to dive for more sponges. Robert Wagner, Terry Moore, Gilbert Roland, J. Carrol Naish, Richard Boone, Angela Clarke, Peter Graves, Jay Novello, Jacques Aubuchon, Gloria Gordon, Harry Carey, Jr., Director: Robert D. Webb.