Guest Stars Camilla Luddington as Dr. Jo Wilson Jerrika Hinton as Dr. Stephanie Edwards Gaius Charles as Dr. Shane Ross Tina Majorino as Dr. Heather Brooks William Daniels as Dr. Craig Thomas Steven Culp as Dr. Parker Zoe Perry as Katy Matthew Carey as Will J. Rene Pena as Female Driver Kelly Keaton as Neighbor Leanna Tallmeister as Woman at Accident Elly Jaresko as Melissa Gatsby Coram as Truck Driver Lizzy Davis as Barista Co Starring Wendy Haines as Nurse Dan D'Amicol as Good Samaritan