Guest Stars Camilla Luddington as Dr. Jo Wilson Jason George as Dr. Ben Warren Jerrika Hinton as Dr. Stephanie Edwards Gaius Charles as Dr. Shane Ross Tina Majorino as Dr. Heather Brooks Michael Buie as Paul Dawson Charles Michael Davis as Dr. Jason Myers Hilarie Burton Morgan as Dr. Lauren Boswell Jennifer Bassey as Nancy Dawson Michelle Ang as Elise Lili Mirojnick as Talia Chelan Simmons as Brenda Chris McGarry as Danny Wayne Co Starring Payton Silver as Dr. A. Knox Shi Ne Nielson as Paramedic Kyle Silverstein as Ethan Dawson John Gloria as Rob Kane Caitlyn Leone as Iris Kane Jen Willis as Kim Welles Jett Weinstein as David Kane Mandy Fabian as Susan Kane