According to Bubba Smith, he made more money from his work on this film alone, than he had earned in ten years of playing professional football. This was due to Bubba having requested a 2 percent piece of the movie's profits, in lieu of a higher salary prior to shooting.
Bill Paxton was offered the role of Zed, but turned it down, because the contract required him to also work in the future sequels. He ended up doing Aliens (1986) instead.
The only movie in the original Police Academy heptalogy in which Callahan (Leslie Easterbrook) does not appear. After the first film was completed, Leslie was pregnant with a baby daughter, which prevented her from working on this sequel.
Steve Guttenberg almost did not return for the sequel, as he was not pleased with the script as originally presented to him. After some re-writes, and a bigger paycheck, Guttenberg was happy to reprise his role as Mahoney.
In an interview prior to the start of production, David Graf said that he would not mind doing a series of Police Academy movies. "I'd do it strictly for the money. (Wife) Kathy and I went to a party at Hugh Wilson's, and it was all very ritzy, with valet parking, caviar, champagne, all that, and while we were there, surrounded by all that luxury, Kathy and I were talking about how we were going to pay the gas bill. The gas company had told us they were going to discontinue service the next day. I don't want to be in that position again. So, yes, I would do a series of Police Academies, for money." True to his word, Graf appeared in all seven of the original Police Academy movies.
Paul Maslansky: (At around one hour and twenty-three minutes) Wedding guest, seen in background when the bouquet is caught.