An attractive blonde who is much younger-looking than the wackos she plays, Lin Shaye made her feature debut in Jack Nicholson's "Goin' South" (1978) soon after arriving in Los Angles. A favorite of Walter Hill, having worked in four of his films (as of 1999), she also acted in eight pictures produced by her older brother Robert Shaye before the Farrelly brothers rescued her from anonymity, giving her the first of her memorably unpleasant characters, an irate, upper-class dog owner in "Dumb and Dumber" (1994). As she told Stephen Schaefer in the BOSTON HERALD (August 11, 1999), "I come out to