According to an article in the 15 July 1946 edition of The Hollywood Reporter, the studio obtained special permission from the U.S. Treasury Department to photograph genuine U.S. currency - normally prohibited in films - for use in its publicity material for the picture. The Secret Service also set up exhibits in theater lobbies on how to spot counterfeit bills.
Fred Johnson (Lloyd Corrigan) drives a 1946 Mercury, first of the post-WWII models.