Special Guest Stars Kate Walsh as Dr. Addison Forbes Montgomery Guest Stars Jessica Capshaw as Dr. Arizona Robbins Ben Shenkman as Rob Harmon Jennifer Westfeldt as Jen Harmon Kathleen Early as Dr. Daisy Pepman Faye Dunaway as Dr. Margaret Campbell Louis Giambalvo as John Terzian Co Starring Mark Saul as Dr. Steve Mostow Molly Kidder as Dr. Megan Nowland Gloria Garayua as Dr. Graciella Guzman Winston Story as Dr. Leo Byrider Brandon Scott as Intern Ryan Joy Osmanski as Intern Lucy Susan Merson as Lorraine