Tokyo File 212
From IMDb; A Communist spy ring in Japan is hard at work trying to sabotage the American war effort during the Korean War, using kidnapping, murder and a disturbed former kamikaze pilot. A U.S. secret agent, posing as a reporter, is dispatched to Tokyo to put a stop to these nefarious activities. Also see http://www.imdb.com/title/tt0044133/ Executive Producer was Melvin Belli. (THE Melvin Belli)