Guest Stars Kelly McCreary as Dr. Margaret "Maggie" Pierce Geena Davis as Dr. Nicole Herman Kevin Carroll as Greg James Co Starring Olivia Diane Joseph as Nurse Liv Gregory Michael Smith as Paramedic #2 James Holloway as Paramedic #1 / Clyde Kyla-Drew Simmons as Mia James Nicolas Bechtel as Jack Carlo Imperato as Paramedic #3 Neil Barton as Police Officer AJ Achinger as Dylan Maggie Egan as Lynn Isaiah Lucas as ER Patient Kaiden Jones as Parker James
