WHENEVER central casting is called on to fill the role of a Holocaust survivor, rarely does it cast against type. Indeed, whether onstage or in films, the Holocaust survivor is often reduced to a one-dimensional cliche, a cartoon of a stock character that seems to dominate the perceptions of those in the dramatic arts. Apparently, filmmakers and playwrights like their Holocaust survivors tortured, tyrannical and delusional -- often all at the same time.