Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of Atlantis. The diving bell disabled, a deep sea monster attacks … Doug McClure, Peter Gilmore, Cyd Charisse, Lea Brodie, Shane Rimmer, John Ratzenberger, Michael Gothard Added on Amazon Prime 2023-07-27. Youtube Trailer