Released in 1957: Two men and two women exploring the Caribbean get trapped inside a labyrinth of caves at the bottom of the sea. Genre: Adventure Duration: 1h 10min Director: Jerry Warren Actors: John Carradine (Professor Millard Wyman), Robert Clarke (Craig Randall), Phyllis Coates (Dale Marshall), Allen Windsor (Paul Whitmore), Sheila Noonan (Lauri Talbott), George Skaff (Doctor J.R. Matheny), Maurice Bernard (old man in the caverns), Joe Maierhouser (Jim Wyman), Lloyd Nelson (Wilson, sonar man), Harry Raven (the Captain), Milt Collion (Hank), Robert Carroll (narrator), Lowell Hopkins (reporter), Jack Haffner (Jimmy, reporter), Jerry Warren (plane passenger behind Wyman). *** This item will be supplied on a quality disc and will be sent in a sleeve that is designed for posting CD's DVDs *** This item will be sent by 1st class post for quick delivery. Should you not receive your item within 12 working days of making payment, please contact me so we can solve this or any other questions. Note: All my products are either my own work, licensed to me directly or supplied to me under a GPL/GNU License. No Trademarks, copyrights or rules have been violated by this item. This product complies with rules on compilations, international media, and downloadable media. All items are supplied on CD or DVD.