These actors can be counted among the most intelligent stars in Hollywood. They have consistently acted in, and often directed, outstanding dramatic films and/or theater productions.
Their inclusion in this list is also based on online reputational rankings as derived from Google search engine results.
Readers may note that many high-IQ stars have been omitted from this list of smart celebrities. But these candidates, to put it quite bluntly, have been disqualified for making more than one asinine movie.
Daniel Day Lewis