Guest Stars Alejandro Hernandez as Casey Acosta Debra Monk as Karen Brantley Mike Doyle as Martin McIntyre Christine Chang as Dr. Agnes Kao Lisa O'Hare as Georgia Goodwin Dierdre Friel as Ella Ana Villafañe as Dr. Valentina Castro Ian Duff as Michael Duke Daniel Jenkins as Dr. Handler Diany Rodriguez as Gabriella Alvarez Elizabeth A. Davis as Shana Davis Sanjit De Silva as Omar Co Starring Em Grosland as Nurse Kai Brunstetter Teresa Patel as Paramedic Harvell Isaiah Seward as Paramedic Durango Marinda Anderson as Dr. Valerie Jessup Maria Elena Ramirez as Dr. Rae Proctor Norma Aurel as Nurse Campisi Din Mayfield as OB Nurse Elders Morgan Hallett as Susan Hedlund Ryan McCarthy as Steve Hedlund Sharinna Allan as Police Officer #1 Juan Carlos Díaz as Bodega Clerk Iliana Inocencio as Pre-Op Nurse Jeffrey Manko as Dr. Chambers Luke Naphat as Tawan Hedlund Natalie Strasser as Bedraggled Woman Ryan Scott Thomas as Police Officer #2