Throughout the film the mayor constantly forgets his words and stumbles over his lines. This was not in the script, but a character trait improvised by Kenneth Mars.
A hose concealed in Arthur Batanides' sleeve was used to feed milk through the bullet-pierced carton in his hand.
In an interview, G.W. Bailey said he was responsible for introducing Leslie Easterbrook to her husband Dan Wilcox. Bailey and Wilcox had previously worked together on M*A*S*H (1972). Wilcox would later go on to be hired as an executive consultant for Police Academy - Die Serie (1997).
Paul Maslansky: The "Police Academy" creator appears as the man talking on the precinct payphone that Harris and Proctor sneak by. Paul is overheard saying, "Seven? It's not fine. Well, maybe it's possible." This was a reference to Maslansky's negotiations with Warner Brothers for a seventh entry in the series.