Guest Stars Kelly McCreary as Dr. Margaret "Maggie" Pierce Rebecca Field as Sabine McNeil Billy Malone as Jon McNeil Patrick Fabian as Dr. Oliver Lebackes Chad Buchanan as Brian Eileen Ryan as Majorie Reed Mary Passeri as Jeannie Reed Manu Narayan as Eric Patel Anisha Nagarajan as Rita Patel Co Starring Casey Corn as OR Nurse Brian Michael Jones as Fish Man Kiralee Hayashi as Tracey Mitchell Moni Akiwowo as CCU Nurse 1 Patrick Censoplano as Robbie McCutcheon Vishal Patel as CCU Nurse 2