Guest Stars Debra Monk as Karen Brantley Mike Doyle as Martin McIntyre Shiva Kalaiselvan as Leyla Shinwari Frances Turner as Dr. Lyn Malvo Keren Lugo as Dr. Diana Flores Anna Suzuki as Sandra Fall André Blake as Dr. Claude Baptiste Nadia Affolter as Mina Jahani Jenny Jules as Serwa Sharpe Robert Stanton as Hank Co Starring Stacey Raymond as Paramedic Kerry Whitaker Emma Ramos as Resident Mariana Jennifer Betit Yen as Nurse Aimee Kamoe LaRae Muscat as Sameera Nirvaan Pal as Saleem Delaney Quinn as Harper Najla Said as Dr. Salaita Annabel Capper as Dr. Katherine Skäan Judith Lightfoot Clarke as Nurse Elinor HInsliff Donnie Riser as Dr. Finlay Colton Osorio as Raffi Mary McCartney as Reception Nurse