Guest Stars Alejandro Hernandez as Casey Acosta Debra Monk as Karen Brantley Shiva Kalaiselvan as Leyla Shinwari Christine Chang as Dr. Agnes Kao Frances Turner as Dr. Lyn Malvo Nadia Affolter as Mina Jahani Liza J. Bennett as Monica Cole-Weston Brittany Bradford as Nia Victoire Charles as Evelyn Davis Tiffany Mann as Ydalis Fournette Co Starring Matthew Jeffers as Dr. Mark Walsh Em Grosland as Nurse Kai Brunstetter Olivia Khoshatefeh as Dr. Yasmin Turan Emma Ramos as Resident Mariana Jennifer Betit Yen as Nurse Aimee Kamoe Mahalet Dejene as Anesthesiologist Nyala Abebe Claire Karpen as Dr. Michelle Goldman Kimiye Corwin as Dr. Jan Matsudaira Maria Elena Ramirez as Dr. Rae Proctor Erica Hernandez as Constance Carrillo Din Mayfield as OB Nurse Elders Lisa Strum as Midwife Safia Lazarre Abdul L. Howard as Father Sakile Camara as Adoption Rep Myxolydia Tyler as Mother Axel Avin Jr. as Bim Ladipo Jen Jacob as Andrea Cole-Weston Jason Babinsky as OB Nurse Byers Kevin Craig West as Julian Davis