Guest Stars Marlyne Barrett as Charge Nurse Maggie Lockwood Brennan Brown as Dr. Samuel Abrams Jesse Lee Soffer as Detective Jay Halstead Kara Killmer as Paramedic Sylvie Brett Julie Berman as Dr. Samantha Zanetti Sophia Bush as Detective Erin Lindsay Dora Madison Burge as Paramedic Jessica "Chili" Chilton Gus Birney as Ashley Cole Beth Chamberlin as Courtney Cole Paul Fitzgerald as Bill Simms Joe Tapper as Rick Miller Co Starring Cesar Jaime as Paramedic Cesar Amanda Marcheschi as Nurse Dina Garston Alex Weisman as Paramedic Allen Chout Miriam Lee as Paramedic Miriam Adam Poss as Paramedic Adam Nick Mayer as Paramedic Daniel Mozurkewich as Peter Wallace Joie Goodman as Server Aaron Holland as Reporter #1 Connor Norris as Max Simms Sara M. Holden as Lucy Simms Kathleen Puls Andrade as Patient #2 Michael Kevin Martin as Patient #1 Catherine Dughi as Field Reporter Darinka Lora-Stepan as Reporter #2 Shannon Parr as David Wallace Mary MacDonald Kerr as Brenda Wallace Joan Porter as Gertrude Kovach Michael Collins as Newscaster