With understanding of the circumstances of the production . I understood what they were trying to do . It seems unfinished and some editing choices had to be made. But i found the patch job to be entertaining enough. It's hard to judge Robert Shaw's performance because it was dubbed . The supporting roles were good enough and Lee Marvin was great as usual. This film isn't as bad as some says it is. You can tell there were a lot cut out of the finished film . A restored version (if it exist) would be good to see. I like cold war thrillers , it's not the best by any means , but it's entertaining enough.