The joke phoney degree academic qualification that veteran confidence trickster Mordecai C. Jones (George C. Scott said he had was a "Masters of Back-Stabbing, Cork-Screwing and Dirty-Dealing", which was abbreviated with the letters MBSCSDD.
This movie was filmed in Lexington, Kentucky and surrounding small towns, including Richmond, Winchester, and Irvine, Kentucky. The scene which shows the green bridge and A&P store was shot in Irvine, a small Appalachian town in Estill County, Kentucky. Townspeople had never witnessed a movie being made, and many stood excitedly watching the process. Highly acclaimed actor Harry Dean Stanton was born in West Irvine, which is very close in location to shots taken for this movie. However, Stanton had long since departed for Hollywood, and had already starred in many classic hit shows and movies by that time.
Though Scott's hair is completely greyed throughout the film, during the car chase his hat is momentarily knocked off revealing a very quick glimpse of the dark hair on the top of his head that was meant to be hidden by the hat.
One of two crime films first released in the year of 1967 which featured a leading character called "Bonnie". In The Flim-Flam Man (1967) it was Bonnie Lee Packard played by Sue Lyon in this film whilst Faye Dunaway played one of the title characters in the classic gangster movie Bonnie and Clyde (1967).