The Argyle Secrets

The Arygle Secrets is a 1948 film directed by Cy Endfield. It was based on a halfhour radio play by Endfield, originally heard on CBS Suspense. The film was made for the microbudget of 100,000 and shot in eight days.

TV Guide called the film an often exciting lowbudget thriller. Variety called the film a particularly interesting B movie in its suggestion that the U.S. government secretly brought Nazis into the country to work for the military.

Source: Wikipedia