Special Guest Stars Adam Scott as Ben Wyatt Rob Lowe as Chris Traeger Guest Stars Jim O'Heir as Jerry Gergich Retta as Donna Meagle Natalie Morales as Lucy Jama Williamson as Wendy Haverford Co Starring Cooper Thornton as Dr. Harris Nicole Pettis as Paula Marcus Folmar as Marcus Claudia Choi as Claudia Isabel Eggerling as Chelsea Deb Hiett as Deb Julia Silverman as Florence Brian McCann as Freddy Spaghetti Emily Adams as Janice Guy Stevenson as Guy Deborah Puette as Cathy