

"The most fantastic undersea odyssey ever filmed."
Overview
When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.

Mark Walker
Diver Dave Moulton

Leslie Carlson
Brigs, Triton Radioman

Stuart Gillard
Diver Phil Bradley
Ed McGibbon
Dr. Norton Shepherd
David Renton
Warrant Officer

Joan Gregson
Dobson
David Yorston
Diver Stephens

Ken Pogue
Diver Thomas