Trivia: Eddie Murphy's entire scene in the jail cell with his "Karate" impersonation was ad-libbed, there was no script direction at all. (00:23:30)
Trivia: Melinda Dillon was given the wrong script on purpose when they filmed the Chinese restaurant scene. She had no idea that when they brought the duck out it would have its head still attached. All of her reactions, including when she first sees the duck and when the server cuts the head off, were completely genuine.
Trivia: Minnie Mouse doesn't have a single line of dialogue in the film.