As Live Free or Die Hard co-star Bruce Willis surely could have warned Justin Long, cashing the paycheck for a voiceover in a second-rate animated family film is the easy part of the gig; the hard part is the fulfilling the oft-humiliating promotional responsibilities to support the movie.

Once he's forced to embark on a world tour of Alvin and the Chipmunks premieres in which he'll spend countless hours hugging out-of-work actors in infrequently laundered rodent costumes, he'll be quickly pine for the days when he didn't have to do anything more soul-killing than show up to TRL in an oversized sweater and try to sell a kid's movie to an utterly disinterested, Ritalin-addled audience who just wish the fucking Mac guy would shut up so they can see 30 seconds of the new My Chemical Romance video.