Guest Stars Jake Borelli as Dr. Levi Schmitt Chris Carmack as Dr. Atticus "Link" Lincoln Jaicy Elliot as Dr. Taryn Helm Debbie Allen as Dr. Catherine Avery Greg Germann as Dr. Tom Koracick Sophia Taylor Ali as Dr. Dahlia Qadri Caroline Clay as Cece Colvin McNally Sagal as Kari Donnelly Ali Hillis as Lori Carter Arielle Hader as Toby Donnelly Greg Winter as Scott Carter Jane Wall as Frances Pinfield Co Starring Aniela Gumbs as Zola Grey Shepherd Alex Landi as Dr. Nico Kim Norman Nixon, Jr. as Nurse James Christian Ganiere as Gus Carter Allyson Juliette as Gabriella "Gabby" Rivera Alfred Woodley as Driver John Patrick Driscoll as Customs Officer Amir M. Korangy as Dr. Safavi Uncredited Kathy C. An as Nurse Bokhee