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
Michael J. Reynolds
Dr. Hal Hamilton
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
