operated in the making of this  movie, they subsequently declined to promote it. In 1954 the  Pentagon was prosecuting some GIs for "collaborating" with the enemy  during the Korean War, and it may have feared that the role of Dewey  Martin in the movie cast doubt on these cases. (Martin plays a GI  who seems to "go over" to the Communists but is eventually revealed  to be an American secret agent only pretending to be a  collaborator.)