Which all famous Hollywood actors were pornstars before?

Which all famous Hollywood actors were pornstars before?
Due the social stigma of appearing in a pornographic movie, there are very few porn stars who have made a successful transition to mainstream movies or TV.A few exceptions include Sylvester Stallone (appeared in the adult film Party at Kitty and Stud's) and Traci Lords (appeared in several TV shows) and Sasha Grey (appeared in porn then n Steven Soderbergh's The Girlfriend Experience).