JoBeth Williams has signed on to play Angel alum Julie Benz's mom in several episodes of Showtime's Dexter.... America's First Top Model (sorry, Janice), Lauren Hutton, will appear in at least three eppies of FX's Nip/Tuck this season, playing a PR whiz whose client needs a little [see title of show].... Munich's Yigal Naor has been cast as Saddam Hussein, and Shohreh Aghdashloo ( 24) his wife Sajida, in Between Two Rivers, HBO and the BBC's four-hour mini about the dictator's 24-year reign. For details on Barbara Eden's visit to Lifetime's Army Wives, see the TV Guide News Report.