In 2001, Spy Kids introduced audiences to the Cortezes, a family of super spies. The movie gave birth to a franchise, spanning multiple sequels, an animated series and even a new reboot, Spy Kids: Armageddon. Throughout this impressive run, Spy Kids has included many notable stars, some of whom audiences may have forgotten took part in the franchise.
Source:https://www.cbr.com/forgotten-spy-kids-actors/