Adam Arkin is an American actor and director. He is known for playing the role of Aaron Shutt on Chicago Hope. He has been nominated for numerous awards, including a Tony (Best Actor, 1991, I Hate Hamlet) as well as three primetime Emmys, four SAG Awards (Ensemble, Chicago Hope), and a DGA Award (My Louisiana Sky). In 2002, Arkin won a Daytime Emmy for Outstanding Directing in a Children's Special for My Louisiana Sky. He is also one of the three actors to portray Dale "The Whale" Biederbeck on Monk. Between 2007 and 2009, he starred in Life. Beginning in 1990, he had a guest role on Northern Exposure playing the angry, paranoid Adam, for which he received an Emmy nomination. In 2009, he portrayed villain Ethan Zobelle, a white separatist gang leader, on the Sons of Anarchy and as Principal Ed Gibb in 8 Simple Rules (2003–2005). His father Alan Arkin and brother Matthew are also actors.