By Jennifer Wulff
September 04, 2006 12:00 PM

BROOKE SHIELDS The actress takes a dramatic turn in the show’s season premiere on Sept. 5, playing a psychiatrist who tells Christian a few things he doesn’t want to hear. Don’t miss her final scene. (Brooke! You naughty girl!)

PETER DINKLAGE The Station Agent actor takes on a multi-episode part starting Sept. 19, as manny to Sean and Julia’s newborn baby.

CATHERINE DENEUVE The French grande dame plays a patient who brings in her late husband’s ashes and asks the docs to put them in a very special place for her—inside her breast implants.