Overview
When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.
Cast
- Ben Gazzara as Cmdr. Adrian Blake
- Walter Pidgeon as Dr. Samuel Andrews
- Ernest Borgnine as Chief Diver Don MacKay
- Yvette Mimieux as Dr. Leah Jansen
- Donnelly Rhodes as Diver Bob Cousins
- Chris Wiggins as Capt. Williams
- Michael J. Reynolds as Dr. Hal Hamilton
- Mark Walker as Diver Dave Moulton
- Leslie Carlson as Brigs, Triton Radioman
- Stuart Gillard as Diver Phil Bradley