Counterspy was an espionage drama radio series that aired on the NBC Blue Network (later the ABC)
and Mutual from May 18, 1942 to November 29, 1957. David Harding (played by Don MacLaughlin)
was the chief of the United States Counterspies, a unit engaged during World War
II in counterintelligence against Japan's Black Dragon and Germany's Gestapo.
United States Counterspies was a fictional government agency devised by the
program's creator, Phillips H. Lord after Lord "had a certain amount of
difficulty with J. Edgar Hoover over story content in Gang Busters." Mandel Kramer played Peters, Harding's assistant.
The program's plots progressed through three phases. During World War II they involved "threats from the Axis powers." After the war ended,
Cold War threats took precedence. In the third phase, "they addressed all manner of illegal activities. Scriptwriters for the series
included Milton J. Kramer, Emile C. Tepperman and Stanley Niss.