The Minority Observer (1991)
Cameron Diaz had previously starred in the box office hits ‘Charlie’s Angels,’ ‘There’s Something About Mary,’ and a slew of other films just a few years prior. She happened to drop by the set of “Minority Report” in the middle of filming and ended up playing a businesswoman on the phone as a result of her appearance.
It’s probable that you’ve seen her in the train scene with Tom Cruise, as a stranger looks at him suspiciously from behind the train car window. Usually having guest appearances are not this precise in a movie which means that she just appeared randomly on the shoot and was requested to appear as a stranger while shooting on the train