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 Anna Suzuki as Sandra Fall Leslie Uggams as Mama Reynolds Michael Siberry as Roderick Cantleigh America Olivo as Inez Vea Peter Benson as Gary Burgess Smith Alfieri as Lazerfox404 Jaspal Binning as Garrett Gardam Amber Hodgkiss as Maureen Gardam Co Starring Olivia Khoshatefeh as Dr. Yasmin Turan Jennifer Betit Yen as Nurse Aimee Kamoe Isaiah Seward as Paramedic Durango Mahalet Dejene as Anesthesiologist Nyala Abebe Becca Ballenger as Paramedic Goodrich Dimitri Carter as Orderly James Erick Zamora as Custodian Matias Reyes Tyrone L. Robinson as Custodian Jerry Watkins Lawrence Oliver Cherry as Deacon Earnest Atibon Nazaire as Maintenance Worker Carl Amanda Kristin Nichols as Elaina the OR Tech Gemma McIlhenny as Maintenance Worker Janice Eduardo Navas as Maintenance Worker Rafael Reece Santos as Cafeteria Tony Brenda Crawley as Maggie Reed Tim Liu as Rodney Zac Jaffee as Larry Ben Hollandsworth as Adam B Mahadeo Shivraj as Jin the Janitor Allegra Leguizamo as Emma Veronica Wathome as Maintenance Marta Darren Valinotti as Ollie Gardam Donna Glaesener as Janitor Astrid Morgan Assante as Patty the Patient Care Tech Peter Stray as Dr. Phil Gabriel Joseph Latimore as Maintenance Worker Nando