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

Dr. Samuel Andrews

Chief Diver Don MacKay

Dr. Leah Jansen

Diver Bob Cousins

Capt. Williams

Dr. Hal Hamilton

Diver Dave Moulton

Brigs, Triton Radioman

Diver Phil Bradley

Dr. Norton Shepherd
Warrant Officer
Dobson

Diver Stephens
Diver Thomas

Hawkes
Sub Captain
Kay, lab technician
Lt. Hobbs, Halifax day officer

Radio Officer