NBC Radio presented this 25-minute documentary on January 25, 1956. The program is not available.
The New York Times ran this preview on the day of the broadcast.
A story in the Altoona Tribune, Altoona, PA, on January 24, 1956, had much more information about the program (this scan is from the best available source, but there is part of the article missing).
According to this article, Stewart, Ingrid Bergman and Tallulah Bankhead appeared on the show and commented on Hitchcock. All others mentioned were heard in film clips.
