Special Guest Stars Jeffrey Dean Morgan as Denny Duquette Guest Stars Kevin McKidd as Dr. Owen Hunt Jessica Capshaw as Dr. Arizona Robbins Steven W. Bailey as Joe Robin Pearson Rose as Patricia Murphy Melissa George as Sadie Harris Samantha Mathis as Melinda Prescott Eric Stoltz as William Dunn Perrey Reeves as Margaret Co Starring Molly Kidder as Dr. Megan Nowland Gloria Garayua as Dr. Graciella Guzman Candice Afia as Intern Laura Amrapali Ambegaokar as Dr. Dani Mandvi Kevin Clarke as Paramedic Kevin Clarke Aaron Refvem as Jackson Prescott John Sloman as Dr. Jordan Kinley