Guest Stars Jaicy Elliot as Dr. Taryn Helm Abigail Spencer as Dr. Megan Hunt E.R. Fightmaster as Dr. Kai Bartley Melissa DuPrey as Dr. Sara Ortiz Peter Gallagher as Dr. David Hamilton Robert I. Mesa as Dr. James Chee Johnny Rey Diaz as Noah Young Chantal Maurice as Rashida Flowers Kennedy Lea Slocum as Robin Jeter Hahn Cho as Dr. Dale Wong Cyd Strittmatter as Dr. Alicia Krause Co Starring Ryker Murphy as Scout Ryden Murphy as Scout Avalon Gray as Leo Hunt Sylvia Kwan as Dr. Mabel Tseng Colette Gray as Leo Hunt Frances Nichols as Nurse Karen Zaiver Sinnett as Dr. Zander Perez Annabelle King as Luna River Davidson as Baby Allison Juliette Myers as Paramedic Boone Nelson as Danny Young Martin Mullen as Paramedic Corey Rittmaster as Father