Steve Buscemi is an actor.
Steven Vincent Buscemi ( [ buːˈsɛmi ] born December 13 , 1957 ) is an American actor and film director . He is also known for his appearances in many films by the Coen brothers : Miller 's Crossing , Barton Fink , The Hudsucker Proxy , Fargo , and The Big Lebowski . Buscemi provides the voice of Randall Boggs in the Monsters , Inc. franchise . From 2010 to 2014 , he portrayed Enoch `` Nucky '' Thompson in the critically acclaimed series Boardwalk Empire , which earned him two Screen Actors Guild Awards , a Golden Globe , and two nominations for an Emmy Award .