There is an Audio Intro to this excellent show that was featured on "Stars in the Sky," produced by the Screen Guild Theater, and featuring members of the Screen Actors Guild to raise money for the Motion Picture Relief Fund established in 1921. This counterespionage radio version of the 1945 film by the same name is lifted to a high level of excellent production values by Humphrey Bogart as Inspector Briggs. Film won Oscar for Best Original Motion Picture in 1946. If you like spy stories... you will love this! Track will live in the Playlist "Mystery/Detective/Crime on this Soundcloud.com originated Podcast.