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 … Roger Moore, Telly Savalas, David Niven, Stefanie Powers, Claudia Cardinale, Richard Roundtree, Sonny Bono Added on Amazon Prime 2021-08-15. Youtube Trailer