Alan Cumming, Antonio Banderas, Daryl Sabara, Alexa Vega and Carla Gugino chatted with ET in 2001 on the set of ‘Spy Kids.’ Alan shares how his character, Fegan Floop, is similar to himself and gushes over the colorful set pieces and which ones he wants to steal. Plus, Antonio and Carla shares if they would ever want to be real-life spies and Alexa and Daryl open up about their real-life sibling relationship on set.