Back in 1961, Gregory Peck led an all-star ensemble cast in The Guns of Navarone with David Niven, Anthony Quinn, Stanley Baker, James Darren, Anthony Quayle and Richard Harris.

The iconic World War 2 adventure followed an Allied commando unit seeking to destroy a German fortress that was threatening Allied naval ships in the Aegean Sea.

Long before CGI, the Hollywood stars needed to capture a thrilling shipwreck that was filmed at Shepperton Studios.

Yet this thrilling classic came at a great…