Guest Stars Debra Monk as Karen Brantley Margot Bingham as Evie Garrison Zabryna Guevara as Dora Nana Mensah as Dr. Candelario Sendhil Ramamurthy as Dr. Akash Panthaki Judith Ivey as Dr. Virginia Stauton Elijah Richardson as Avi Mantell Johanna Day as Ms. Tiara Dobbs Trey Santiago-Hudson as Luke Bauer Tina Chen as Shen Nana Nicole Lewis as Hannah Mantell Co Starring Erick Betancourt as Security Guard McAdams Greta Quispe as Nurse Sabrina Zamabrano Denise Pillott as Nurse May Ortega Rocky Kellon Smith as Paramedic Jones Josh Philip Weinstein as First Administrator Malika Nzinga as Third Administrator Kerry Warren as OR Nurse Carrie Varenne John Goodlow as Second Administrator Darius Jackson as Day Laborer Jabari Gray as Moderator Yan Xi as Shen Auntie Z Chuen as Shen Uncle Michelle Liu Coughlin as Ann Shen Noelle Franco as Nurse 2 Deborah Fennelly as Homeless Woman Collin Chang as Feng Shen