It's remarkable that such a singular young actor he's only 21 should have found so many worthy vehicles ("Superbad, " "Juno, " "Nick and Norah's Infinite Playlist") in such a short time, but he's done it again as Nick Twisp, the hero of "Youth in Revolt, " which was directed with impressive flair by MiguelArteta and adapted by Gustin Nash from the novels by C.