Lew Hearn made occasional appearances on "The Jack Benny Program" radio show starting around 1935 as the character "Schlepperman". His trademark was saying, "Hello, stranger," using his distinctive accent just as he does in this movie.
Based on #118 of The Shadow magazine (January 1, 1937), titled "Foxhound" and written by Theodore S. Tinsley (under the usual pseudonym of "Maxwell Grant").