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 Tessa Ferrer as Dr. Leah Murphy Tina Majorino as Dr. Heather Brooks Justin Bruening as Matthew Taylor Michael Buie as Paul Dawson Hilarie Burton Morgan as Dr. Lauren Boswell LisaGay Hamilton as Dr. Connie Ryan Angela Lin as Barbara Yu Blue Deckert as Frank Co Starring Kyle Silverstein as Ethan Dawson Curtis Walker as Medivac Guy Casey Corn as OR Nurse Nicole J. Butler as Jess Jason E. Kelley as Chuck Craig Blair as Tim Jeris Lee Poindexter as Mr. Strickland Catia Ojeda as Allie Ludwig Manukian as Bus Driver Christine Weatherup as Crystal Ella Jay Basco as Evie Yu