Are Voice Actors Becoming Obsolete?

The latest trend in animated films has been to cast well-known actors in the lead roles, and market (at least in part) on that star power. But to the little-known pros who have spent a lifetime perfecting their skills as voice actors, this is a revolting predicament, and many worry that their considerable talents will soon become expendable, as Hollywood insists on bigger and bigger names to headline animated flicks.