The actress that played Tai Frasier in "Clueless" also stars with Michael Douglas in a 2001 thriller film based on a novel by what author?
Don't Say a Word: Don't Say a Word is a 2001 American psychological thriller film starring Michael Douglas, Brittany Murphy and Sean Bean based on the novel of the same title by Andrew Klavan. Brittany Murphy:  Her breakthrough role was as Tai Frasier in "Clueless" (1995), followed by supporting roles in independent films such as "Freeway" (1996) and "Bongwater" (1998).
Andrew Klavan