Don Adams, the original voice of Inspector Gadget in Inspektor Gadget (1983), provides the voice of Brain in the closing credits.
More than 150,000 Skittles spill in the Gadgetmobile after it crashes in Scolex's limo.
Lindsay Lohan turned down the role of Penny, due to working on her first movie, Ein Zwilling kommt selten allein (1998).
Brendan Fraser was considered for the role of Inspector Gadget, but turned the role down due to working on Dudley Do-Right (1999), another live-action film based on a non-Disney animated television series.
Dr. Claw makes no effort to hide his face. In Inspektor Gadget (1983), the villain's face was never shown. However, the sequel had Claw keep his face hidden always.
Andy Heyward: "Mr. D.I.C." DIC was the name of the studio that produced the Inspektor Gadget (1983) animated series.