The original scene with Penny Marshall's cameo had her getting into her car and driving off when the shoot was finished; but the actress hadn't driven a car in many years so it was changed that her assistant drives her off.
When Ray Bones returns to Miami and is asked by the customs official if he had anything to declare - this question is asked of passengers inbounding from international destinations, not from Los Angeles.
When Harry is in the emergency room, Doris reveals that Sergeant Randall's first name is Todd. In the next scene, if paused, the text in the article Catlett is reading, says Randall's name is Edward Randall. (Perhaps his initials are ETR.)