Special Guest Stars Melanie Lynskey as Rose Jennifer Taylor as Chelsea Emmanuelle Vaugier as Mia Jenny McCarthy as Courtney Katherine LaNasa as Lydia Missi Pyle as Delores Pasternak Tricia Helfer as Gail Jeri Ryan as Sherri Jodi Lyn O'Keefe as Isabella Liz Vassey as Michelle Jenna Elfman as Dharma Finkelstein Montgomery Thomas Gibson as Greg Montgomery John Stamos as prospective home buyer Guest Stars Ryan Stiles as Dr. Herb Melnick Martin Mull as Russell Joel Murray as Doug Angelique Cabral as Shannon Alexis Krause as Kelly