Contributed by: Jamie Kennedy
Sonny Landham, who plays the indian, Billy, also plays an indian named Billy in Predator. He is killed when he decides to face down a better-armed enemy with only a knife, just like in 48 HRS.
Contributed by: John Noto
An aerial shot of the street going downhill is shown twice. The first time you see it you are watching the caddy, later in the movie you see the exact same shot but you are looking at the porsche.
The Jack Cates character would later serve as inspiration when creating the Sonny Crockett character on Miami Vice. Ironically, Olivia Brown, who plays Eddie's girlfriend near the end of the film, went on as a regular on that show.