Guest Stars Camilla Luddington as Dr. Jo Wilson Jerrika Hinton as Dr. Stephanie Edwards Debbie Allen as Dr. Catherine Avery Gaius Charles as Dr. Shane Ross Tessa Ferrer as Dr. Leah Murphy Tina Majorino as Dr. Heather Brooks Constance Zimmer as Dr. Alana Cahill Roma Maffia as Roberta Thompson Eddie Jemison as Stan Grossberg Erica Giles as Receptionist Hart Bochner as Julian Crest Co Starring Kate Mines as Nurse Gloria Daniel Kash as Executive Two John Adrian as Executive One Madeleine Hamer as Assistant Faith Alhadeff as Shelly Keyser Bryan Chesters as John Brinn Alec Medlock as Kid William Jennings as Bobby Brinn Karla Droege as Lisa Brinn Anzu Lawson as Executive Three Steve Kehela as Andy Carmichael