Alex D. Linz replaces that other kid and thereÕs a new cast of villains, but the formula remains the same. Olek Krupa in Home Alone 3 () Alex D. Linz and David Thornton in Home Alone . Columbus also didn't feel comfortable working with an entirely new cast. Home Alone 3 cast list, listed alphabetically with photos when available. This list of Home Alone 3 actors includes any Home Alone 3 actresses and all other. Cast. Alex D. Linz as Alex Pruitt, an eight-year-old boy with a high IQ living in suburban Chicago. Olek Krupa as Peter Beaupre, leader. Find album reviews, stream songs, credits and award information for Home Alone 3 - Original Soundtrack on AllMusic - - Like the movie itself, the. Home Alone 3 () SoundTracks on IMDb: Memorable quotes and exchanges from movies, TV series and more.