Guest Stars Marc Grapey as Peter Kalmick Roland Buck III as Dr. Noah Sexton Eddie Jemison as Dr. Stanley Stohl Kara Killmer as Paramedic Sylvie Brett Arden Cho as Emily Choi D.W. Moffett as Cornelius Rhodes Michel Gill as Robert Haywood Melanie Nicholls-King as Ms. Larson Garrett Wareing as Josh Logan Leigh Foster as Mr. Parks Maura Kidwell as Mrs. Parks Co Starring Lorena Diaz as Nurse Doris Cesar Jaime as Paramedic Cesar Casey Tutton as Nurse Monique Lawson Tonray Ho as Nurse Leah Mia Park as Nurse Beth Cole Amanda Marcheschi as Nurse Dina Garston Naïma Hebrail Kidjo as Paramedic Naïma David Parkes as Barry Lindheim Sophie Thatcher as Debra McCormick Jeff Diebold as Mark Logan Alka Nayyar as Dr. Mehta Zachary Fewkes as Kevin Parks JJ McCormick as Frank Larson Lori McClain as Heather Logan