Ray Milland or Nic Cage for Best Drunk award...(i'm sure there's others, but these guys won Oscars)
Lol. Nicholas Cage by far...!!!
Oliver Reed by default - his entire life.
Albert Finney in Under the Volcano.
Matt Dillon in Factotum.Mickey Rourke in barfly.Steve buscemi directed a film where he plays an alcoholic.Jim broadbent in art school confidential.