Here is the head sculpt of Brad Pitt I have been working on in my free times. I made a zombie version of him as well, might have been the look if he had turned to a zombie! Hope you like it, cheers ;)
https://www.instagram.com/hossein.diba
https://www.facebook.com/TheArtofHosseinDiba
http://www.zbrushcentral.com/showthread.php?176389-Sketchbook-Hossein-Diba-(breakdown-Pg-7)