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 Mike Doyle as Martin McIntyre Conner Marx as Ben Meyer John Earl Jelks as Horace Reynolds Kathryn Prescott as Vanessa Bloom Toya Turner as Gabrielle Morris Peter Jacobson as Bob Levin Renika Williams as Olivette Clea Lewis as Louise Lewis Sky Lakota-Lynch as Avi Diallo Co Starring Olivia Khoshatefeh as Dr. Yasmin Turan Teresa Patel as Paramedic Harvell Jenna Bosco as Paramedic Herrera Deleon Dallas as Ray-Ray Alyssa Keegan as Neurosurgeon Dr. Aly Gaffen Don Noble as Attorney Matthew Brixton Kathy Deitch as Maureen LeVera Sutton as Patient 1 Nathalie Sepulveda as Hiya Diallo Andre K. Jefferson as Patient 2 Johnny Kavanagh as Grumpy Patient Carla Woods as ICU Nurse