John Stephen Goodman (born June 20, 1952) is an American film, television, and stage actor. He is best known for his role as Dan Conner on the television series Roseanne (1988-1997) for which he won a Best Actor Golden Globe Award in 1993, and for providing the voice of Sully in Monsters, Inc. Other prominent roles he has portrayed include his leading voice role in Frosty Returns, his recent supporting roles in Argo and The Artist, and a cameo in C.H.U.D. As a film actor, he has frequently collaborated with the Coen Brothers, including in Raising Arizona, Barton Fink, The Big Lebowski, and O Brother, Where Art Thou?.