The Sim-Pal slogan is "A Sim-Pal that's fun to be with!", a derivation from "The Hitchhiker's Guide to the Galaxy" series by Douglas Adams. There, the corporation that created robots with "Genuine People Personalities", had the slogan "Your plastic pal that's fun to be with!"
The part of the holographic girl was overdubbed by the receptionist of Vine St. Studios, during which post-production was taking place. Victoria DeFrancesco Soto, an American Sag/Aftra, actress and voice-over artist, states she was asked to do this when the original girl could not be found in time.
Set in 2015, but released in 2000, the only accurate future technology predicted, excluding cloning, were flatscreen televisions and self-serving vehicles (though as of 2017, they're still in a prototype phase).
Many of the supporting cast would go on to become bigger stars including Terry Crews, Tony Goldwyn (of ABC's Scandel (2012)), and Michael Rooker (who'd later star in Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017) and AMC's The Walking Dead (2010)).
When Adam Gibson (Schwarzenegger) is spotted by his daughter outside, he offers to take her back to bed. She asks to be carried "fireman". Schwarzenegger would play firefighter Gordon Brewer in his next film, Collateral Damage (2002).
The same year, Sarah Wynter starred in the science fiction television movie Race Against Time (2000) opposite Eric Roberts. Arnold Schwarzenegger and Terry Crews would later appear opposite Eric Roberts in The Expendables (2010).
The trivia items below may give away important plot points.
As a joke, and due to the fact that he plays two versions of the same character in the film, Arnold Schwarzenegger received nominations at the 21st Annual Razzie Awards in both the leading and supporting categories, but the nominations are technically incorrect. He was nominated for Worst Actor as the real Adam Gibson and Worst Supporting Actor as the clone of Adam Gibson. In fact, the clone is who most of the movie follows, and the real Adam Gibson is the supporting character.
Although Tripp (Colin Cunningham) (the assassin that killed Drucker, and others ) claims to have "people on the inside", and states this as the reason Adam (Arnold Schwarzenegger) must shoot him in the head, (to protect their identities), no "inside people" are ever revealed.