Fear Is the Key (1972)

A man is in radio contact with his family when their airplane is shot down. He wants those responsible and becomes a criminal to get a job as deep sea diver with those salvaging the plane's cargo.

Director: Michael Tuchner

Cast: Barry Newman, Suzy Kendall, John Vernon, Dolph Sweet, Ben Kingsley, Ray McAnally, Peter Marinker, Elliott Sullivan, Roland Brand, Tony Anholt, John Alderson, James Berwick, Hal Galili, Ernie Heldman