It's official: Suzanne Pleshette has been cast as James Garner's TV wife on 8 Simple Rules.... They'll play the parents of Katey Sagal's widowed Cate Hennessy in a special hour-long episode airing Nov. 4. Though separated, Cate's folks try to bury the hatchet and help comfort the grieving Hennessy clan after the loss of John Ritter's character, Paul. Pleshette's doing only one episode, while Garner will stick around for at least three more.