Adam Arkin is an American television, film, and stage actor. He has appeared in various television series such as Northern Exposure (CBS, 1990-95), where he played the eccentric chef Adam, and Chicago Hope (CBS, 1994-2000), where he played neurosurgeon Aaron Shutt. Other recent television appearances include The West Wing (as trauma specialist and psychologist Dr. Stanley Keyworth) and 8 Simple Rules for Dating My Teenage Daughter. His film appearances in include Hitch and Halloween: H20. Arkin is also a Broadway and off-Broadway performer, last seen in the Broadway offering "Brooklyn Boy" by playwright Donald Margulies.