Guest Stars Brennan Brown as Dr. Samuel Abrams Ato Essandoh as Dr. Isidore Latham Kara Killmer as Paramedic Sylvie Brett Peter Mark Kendall as Joey Thomas Sophia Bush as Detective Erin Lindsay Branscombe Richmond as Keoni Nick Marini as Danny Jones Chris Johnson as Doug Kline Haley Brooke Walker as Shannon Fisher Mildred Marie Langford as Cynthia Fisher Co Starring Courtney Rioux as Paramedic Courtney Jeremy Shouldis as Dr. Marty Peterson Shiri Aljadeff as Dr. Leah Bardovi Melissa Canciller as Nurse Melissa Karissa Murrell Myers as Nurse Candace Leighton Abigail Boucher as Elizabeth Kline Jean Moran as Dr. Bella Rowan Alyssa Freeman as Hayley Kline Jack Hickey as Henry Collins Dennis Bisto as Counter Guy Paul Grondy as Bart Logan Armando Carlo IV as Kyle