Roger Moore, Telly Savalas, David Niven, Stefanie Powers, Claudia Cardinale, Richard Roundtree, Sonny Bono, Elliott Gould, Anthony Valentine, Siegfried Rauch, Michael Sheard, Richard Wren, Philip Locke, Steve Ubels, Paul Picerni
During the World War II, the prisoners of a German camp in a Greek island are trying to escape. They not only want their freedom, but also seek an ineffable treasure hidden in a monastery at the summit of the island's mountain.