Continuity mistake: About five minutes before it ends,Bruno Kirby is sitting down at a table talking to Maximillian Schell and others. He loosens his tie, which lays to his right. The camera cuts away from him, then back to him, and his tie is on the left.
Continuity mistake: The Italian social club's outside facade looks nothing like the inside of the building. There are many more windows in the inside view for instance.