Adam Arkin, American actor, director, and producer

Adam Arkin is an American actor and director. He is best known for playing the role of Aaron Shutt on Chicago Hope. He has been nominated for numerous awards, including a Tony as well as three primetime Emmys, four SAG Awards, and a DGA Award. Between 2000-2002 he played the recurring role of Dr. Stanley Keyworth in The West Wing, most notably in Season 2, Episode 10, "Noel". 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 recurring 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, in Sons of Anarchy and Principal Ed Gibb in 8 Simple Rules (2003–2005). His brother Matthew is also an actor, as was his father, Alan Arkin.