Special Guest Stars Debra Monk as Karen Brantley Guest Stars Alejandro Hernandez as Casey Acosta Matthew Jeffers as Dr. Mark Walsh Megan Byrne as Gladys Miller Shiva Kalaiselvan as Leyla Shinwari Sandra Mae Frank as Dr. Elizabeth Wilder Christine Chang as Dr. Agnes Kao Conner Marx as Ben Meyer Keren Lugo as Dr. Diana Flores Michelle Forbes as Dr. Veronica Fuentes Vandit Bhatt as Rohan Genevieve Angelson as Dr. Mia Castries Stephen Adly Guirgis as Chaplain Alpert Anthony Joo as Jack Ehrlich Co Starring Olivia Khoshatefeh as Dr. Yasmin Turan Renee Ternier as Nurse Devers Alexis Cash as Paramedic Carmona Denise Pillott as Nurse May Ortega Cavan Rogers as Unhoused Person Eric Stafford as Fournier Morgan Aiken as Dr. Amaya Morgan Curtis Alejandro Crowe as Paramedic Jennifer Presno as Nurse Jacinto