Most of the original soundtrack which had been recorded by the Glaser Brothers was removed in 1972 when this movie made its television debut. It was redubbed with the soundtrack from A Time to Sing (1968), performed by Hank Williams, Jr.
Penultimate film for Fredric March. It would be three more years until his final film, The Iceman Cometh (1973).
There is no Colusa County in the deep south. Colusa County is in Northern California.
Jim Brown's birthday was February 17, George Kennedy's birthday was February 18.
Just as in the movie, the city of Colusa is the county seat of Colusa County, California. In the movie, Mayor Parks implies that he is the mayor of the city only, but others imply that the city and county governments are co-terminus, meaning just one government and the city and county lines match. The sign on the bridge at the end seems to indicate the city and county lines are also the same.