Harris Yulin is a very prolific actor who has appeared in loads of movies and television shows and his role as Judge Stephen Wexler in Ghostbusters II was really nothing more than a cameo. One of his lesser known, but much more prominent roles was in the rather terrible 1996 Ted Danson movie Loch Ness, in which he played scientist Dr. Mercer - a superior to Danson's Dr. John Dempsey.