Bradley Whitford was allowed to use his own Camaro for the movie. It has the license plate "SO COOL," the actual license plate Bradley had on his car.
Julia Louis-Dreyfus auditioned for the lead role, but withdrew in favor of Jodie Foster. Foster also withdrew, leaving Michelle Pfeiffer, Valerie Bertinelli, Elisabeth Shue, and Justine Bateman as the only choices. Bateman withdrew from the project due to creative conflicts. Pfeiffer left the project and starred in Die Hexen von Eastwick (1987). Bertinelli lost out to Shue on the final day of auditions.
In both this film and Back to the Future Part III (1990), Elizabeth Shue faints and says the line, "I had the worst nightmare!"
Sara wears a backpack with a picture of Gizmo on it. This is a reference to Gremlins - Kleine Monster (1984) which was written by Chris Columbus.