Sharon Stone was so insistent that Leonardo DiCaprio appear in the film that she paid his salary personally.
There is a scene where Gene Hackman lightly slaps Sharon Stone. It wasn't scripted and Stone's reaction is real.
Sharon Stone bought the horse Magic after the movie was over. Stone: "I've been riding all my life but never on such a fine horse as this."
Sharon Stone hand-picked Russell Crowe to be in this film. The studio was initially unsure about this choice because Crowe was a complete unknown to the American audience.
Sam Raimi: [pov shot] As a drinking glass and bullets fly through the air, we see their targets from the missile's viewpoint.