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Q CSI has been a hit since its debut. So why would the producers drop three of its biggest stars: William Petersen, Jorja Fox, and Gary Dourdan? –Ala Smith, Clovis, Calif.

A After eight years, viewers get tired of the same faces–and actors get bored doing the same thing. Those three stars all left voluntarily. Incidentally, while Marg Helgenberger has survived the CSI upheaval, she and actor Alan Rosenberg recently separated after 19 years.

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