The film was banned by the Memphis Censor Board due to its grimness and brutality.
The car the inspector arrives with is a black 1950 Buick Super sedan.
When the movie was released in German speaking countries the title was changed to Black Friday.
Milburn Stone (Father Slocum) played Doc Adams on the long-running series Storie del vecchio west (1955), which starred Peter Graves' (Peter Manning) brother, James Arness.