
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
Cmdr. Adrian Blake

Walter Pidgeon
Dr. Samuel Andrews

Ernest Borgnine
Chief Diver Don MacKay

Yvette Mimieux
Dr. Leah Jansen

Donnelly Rhodes
Diver Bob Cousins

Chris Wiggins
Capt. Williams

Mark Walker
Diver Dave Moulton

Leslie Carlson
Brigs, Triton Radioman

Stuart Gillard
Diver Phil Bradley

Michael J. Reynolds
Dr. Hal Hamilton
Kay Fujiwara
Anita, lab technician
Crew

Daniel Petrie
Director
Jack DeWitt
Writer
Harry Makin
Director of Photography
Sandy Howard
Producer
Patricia Payne
Casting Director
Kenneth Heeley-Ray
Sound Editor
Patrick Drummond
Assistant Sound Editor
Austin Grimaldi
Sound Mixer
Joe Grimaldi
Sound Mixer

Lalo Schifrin
Original Music Composer
Gerry Arbeid
Production Manager



















