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
