Guest Stars Jason George as Dr. Ben Warren Jaicy Elliot as Dr. Taryn Helm Debbie Allen as Dr. Catherine Avery Alex Landi as Dr. Nico Kim Stefania Spampinato as Dr. Carina DeLuca Richard Flood as Dr. Cormac Hayes Alex Blue Davis as Dr. Casey Parker Barrett Doss as Victoria Hughes Okieriete Onaodowan as Dean Miller Jasmine Guy as Gemma Larson Grey Damon as Lieutenant Jack Gibson Richard Jin as Elliott Calhoun Adriana DeGirolami as Finley Calhoun Amanda Payton as Dr. Daphne Lopez Miguel Sandoval as Pruitt Herrera Co Starring Zaiver Sinnett as Dr. Zander Perez Vivian Nixon as Hannah Brody Norman Nixon, Jr. as Nurse James Devin Way as Blake Simms Allyssa Amelia Entz as Jamie Molly Baker as Sharon Caldwell Christianno DeRushia as Trey Melissa Oliver as Perfusionist Uncredited Kathy C. An as Nurse Bokhee