All sorts of A-list actors are showing up as voices in new animated features. What’s the attraction? Animators get to cash in on the big names. As for the actors, it’s easy work. “No hair and make-up necessary, not a personal trainer in sight and a four-hour work day: these are just a few of the enticements luring A-list actors, including Jim Carrey, Will Smith and Robin Williams, to headline animated features.”