Patty Duke (married to Astin at the time) makes a very brief appearance as the stage coach agent who confirms the arrival of the coach carrying the judge & records it on the blackboard.
O'Toole refers to the Mayor as a 'Uriah Heep', a reference to the character in ''David Copperfield' by Charles Dickens. Uriah Heep is noted for his obsequiousness and general insincerity.
The Mayor uses the phrase 'like a wolf upon the fold', a quote from "The Destruction of Semnacherib" by Lord Byron.
Molybdenum is a chemical element with the symbol Mo and atomic number 42. its main use is in steel alloys; its price in 2023 is approx. $26 per pound (US dollars).