Warlords of Atlantis - 1978

Searching for that lost world of Atlantis,'' Prof. Aitken, his son Charles and Greg Collinson are betrayed by the team of these expedition's ship, attracted by the glorious paintings of Atlantis. The shot disabled, a deep sea creature strikes that the boat. Where they meet up with the inhabitants of this continent, an advanced race which makes sailors their own slaves They're typical hauled to the bottom of the ocean.