At this age, Mel Gibson should ditch all the explosion and car chases and focus on REAL ACTING.
For instance, I thought Mel Gisbons Soliloqy of Shylock from the Merchant of Venice in his portrayal of a deformed man in the film - THE MAN WITHOUT A FACE was quite impressive.
Watch this 45 second clip (Starting from 0:37) :
http://www.youtube.com/watch?v=pTA8pGl_SXM&feature=related
Did you see him in Hamlet? That is the only movie version we will watch.