Special Guest Stars Debra Monk as Karen Brantley Marlee Matlin as Dr. Bev Clemons Guest Stars Alejandro Hernandez as Casey Acosta Mike Doyle as Martin McIntyre Conner Marx as Ben Meyer Anna Suzuki as Sandra Fall John Earl Jelks as Horace Reynolds Kathryn Prescott as Vanessa Bloom Toya Turner as Gabrielle Morris Matthew Rauch as Harlan Jenks Ava Lalezarzadeh as Mika Co Starring LaRae Muscat as Sameera Alexis Cash as Paramedic Carmona Delaney Quinn as Harper Nirvaan Pal as Saleem Marvin Avila as Nurse Ocampo Onye Eme-Akwari as ICU Intern Harris Galen Jackie Roth as Dana Milliner Vann Barrett as Duane Roberts Khyati Sehgal as ICU Intern Charlotte Danzig Kelsey Lynn Stokes as ICU Intern Sia Varma