In other, less-stunning pilot news, Mr. Christina Applegate, Johnathon Schaech, and Mrs. Ben Stiller, Christine Taylor, are among CBS's Commuters; Ray's Regina King has been added to the cast of CBS' Special Forces drama, The Unit; and rapper Bow Wow is toplining a WB half hour called Bow. Wow, that's weird. But the strangest casting news of the day has got to be this: Loni Anderson has been tapped to play Tori Spelling's mom in her NBC laffer, Notorious.