Guest Stars Conor Perkins as Dr. Zach Hudgins Henderson Wade as Dr. Loren Johnson Beth Lacke as Dr. Margo Collins T.J. Thyne as Greg Sanders Andy Cohen as Nathan Bishop Quetta Carpenter as Dr. Valerie Clark Mariah Robinson as Mallory Bates Sam Mullaney as Perry Eastman Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Marie Tredway as Nurse Trinidad "Trini" Campos Michael Vaughn Shaw as X-Ray Tech Mike Sarah Brooks as Paramedic Juliette Kathleen Czajkowski as X-Ray Technician Kathleen Elena Victoria Feliz as Kendall Miller Dan Rodden as McKendry Transplant Surgeon Bernard Kenswick Franchesca Fojas as Transplant Nurse Preston Shuttlesworth Esquire as Cyclist Jessica Joy as Florence Sanders