Shay Duffin (26 February 1931 – 23 April 2010) was an Irish character actor of the stage and screen. He was in the 1993 film Leprechaun with Jennifer Aniston. He also had a role in the 1997 film Titanic. He was best known for writing and acting the title role in the one-man play Brendan Behan: Confessions of An Irish Rebel. (Via Wikipedia)