Guest Stars Ato Essandoh as Dr. Isidore Latham Eddie Jemison as Dr. Stanley Stohl Jeff Hephner as Med Student Jeff Clarke Nora Dunn as Dr. Lonnie Richardson Rosie Benton as Laura Green Caroline Heffernan as Ariel Green Brian McCartney as Ed Mikulski Louis C. Giordano as Rey Ochoa Gino Montesinos as Leo Ochoa Co Starring Lorena Diaz as Nurse Doris Jeremy Shouldis as Dr. Marty Peterson Tonray Ho as Nurse Leah Amanda Marcheschi as Nurse Dina Garston Mia Park as Nurse Beth Cole Shiri Aljadeff as Dr. Leah Bardovi Jürgen Hooper as Dr. Jason Wheeler Arvin A. Jalandoon as Perfusionist Paul Deakins Alex Dauphin as Nurse Stacy Finn Melissa Dennis as Dr. Alyssa Pellino Selena Roque as Becca Dodd Sean Bradley as Lyle Maurice Demus as Jason Dodd