So far, the all-star ensembles in the upcoming action-packed sequel of THE EXPENDABLES 2 are mostly aging actors. But now it's good to know that the sequel has a mix of young cast as well. According to Variety, 21-year-old Liam Hemsworth has confirmed to star in the sequel as a sniper. As of now, he will be the youngest cast of all actors involved here. Hemsworth, is of course, an up-and-coming star for next spring's THE HUNGER GAMES.