Alan was one of the original performers of the half play, half musical, fully nude off-Broadway hit Oh! Calcutta in 1969.
Alan is a member of American Mensa and is listed on the organizations website as a "Famous Member" along with Geena Davis.
Alan is an uncle of Jesse Bochco.
Alan is a brother-in-law of Steven Bochco and Dayna Kalins.
Alan is 6' (1.83 m).
While starring on L.A. Law, Alan appeared in 3 public service announcements for NBC's The More You Know. His topics were stay in school, parental involvement, and homlessness and hunger.